ALSA: asihpi - Remove unused subsys pointer from all HPI functions.

asihpi.c don't link playback and capture streams, there is too much
offset between them.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 224 insertions, 205 deletions

diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c
index 31d7295f5c7..8dda81aac43 100644
--- a/sound/pci/asihpi/asihpi.c
+++ b/sound/pci/asihpi/asihpi.c
@@ -97,13 +97,14 @@ static const int mixer_dump;
 #define DEFAULT_SAMPLERATE 44100
 static int adapter_fs = DEFAULT_SAMPLERATE;
 
-static struct hpi_hsubsys *ss;	/* handle to HPI audio subsystem */
-
 /* defaults */
 #define PERIODS_MIN 2
 #define PERIOD_BYTES_MIN  2048
 #define BUFFER_BYTES_MAX (512 * 1024)
 
+/* convert stream to character */
+#define SCHR(s) ((s == SNDRV_PCM_STREAM_PLAYBACK) ? 'P' : 'C')
+
 /*#define TIMER_MILLISECONDS 20
 #define FORCE_TIMER_JIFFIES ((TIMER_MILLISECONDS * HZ + 999)/1000)
 */
@@ -149,8 +150,8 @@ struct snd_card_asihpi_pcm {
 	struct timer_list timer;
 	unsigned int respawn_timer;
 	unsigned int hpi_buffer_attached;
-	unsigned int pcm_size;
-	unsigned int pcm_count;
+	unsigned int buffer_bytes;
+	unsigned int period_bytes;
 	unsigned int bytes_per_sec;
 	unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
 	unsigned int pcm_buf_dma_ofs;	/* DMA R/W offset in buffer */
@@ -165,7 +166,6 @@ struct snd_card_asihpi_pcm {
 /* Functions to allow driver to give a buffer to HPI for busmastering */
 
 static u16 hpi_stream_host_buffer_attach(
-	struct hpi_hsubsys *hS,
 	u32 h_stream,   /* handle to outstream. */
 	u32 size_in_bytes, /* size in bytes of bus mastering buffer */
 	u32 pci_address
@@ -192,10 +192,7 @@ static u16 hpi_stream_host_buffer_attach(
 	return hr.error;
 }
 
-static u16 hpi_stream_host_buffer_detach(
-	struct hpi_hsubsys *hS,
-	u32  h_stream
-)
+static u16 hpi_stream_host_buffer_detach(u32  h_stream)
 {
 	struct hpi_message hm;
 	struct hpi_response hr;
@@ -216,24 +213,23 @@ static u16 hpi_stream_host_buffer_detach(
 	return hr.error;
 }
 
-static inline u16 hpi_stream_start(struct hpi_hsubsys *hS, u32 h_stream)
+static inline u16 hpi_stream_start(u32 h_stream)
 {
 	if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
-		return hpi_outstream_start(hS, h_stream);
+		return hpi_outstream_start(h_stream);
 	else
-		return hpi_instream_start(hS, h_stream);
+		return hpi_instream_start(h_stream);
 }
 
-static inline u16 hpi_stream_stop(struct hpi_hsubsys *hS, u32 h_stream)
+static inline u16 hpi_stream_stop(u32 h_stream)
 {
 	if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
-		return hpi_outstream_stop(hS, h_stream);
+		return hpi_outstream_stop(h_stream);
 	else
-		return hpi_instream_stop(hS, h_stream);
+		return hpi_instream_stop(h_stream);
 }
 
 static inline u16 hpi_stream_get_info_ex(
-    struct hpi_hsubsys *hS,
     u32 h_stream,
     u16        *pw_state,
     u32        *pbuffer_size,
@@ -244,42 +240,41 @@ static inline u16 hpi_stream_get_info_ex(
 {
 	u16 e;
 	if (hpi_handle_object(h_stream)  ==  HPI_OBJ_OSTREAM)
-		e = hpi_outstream_get_info_ex(hS, h_stream, pw_state,
+		e = hpi_outstream_get_info_ex(h_stream, pw_state,
 					pbuffer_size, pdata_in_buffer,
 					psample_count, pauxiliary_data);
 	else
-		e = hpi_instream_get_info_ex(hS, h_stream, pw_state,
+		e = hpi_instream_get_info_ex(h_stream, pw_state,
 					pbuffer_size, pdata_in_buffer,
 					psample_count, pauxiliary_data);
 	return e;
 }
 
-static inline u16 hpi_stream_group_add(struct hpi_hsubsys *hS,
+static inline u16 hpi_stream_group_add(
 					u32 h_master,
 					u32 h_stream)
 {
 	if (hpi_handle_object(h_master) ==  HPI_OBJ_OSTREAM)
-		return hpi_outstream_group_add(hS, h_master, h_stream);
+		return hpi_outstream_group_add(h_master, h_stream);
 	else
-		return hpi_instream_group_add(hS, h_master, h_stream);
+		return hpi_instream_group_add(h_master, h_stream);
 }
 
-static inline u16 hpi_stream_group_reset(struct hpi_hsubsys *hS,
-						u32 h_stream)
+static inline u16 hpi_stream_group_reset(u32 h_stream)
 {
 	if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
-		return hpi_outstream_group_reset(hS, h_stream);
+		return hpi_outstream_group_reset(h_stream);
 	else
-		return hpi_instream_group_reset(hS, h_stream);
+		return hpi_instream_group_reset(h_stream);
 }
 
-static inline u16 hpi_stream_group_get_map(struct hpi_hsubsys *hS,
+static inline u16 hpi_stream_group_get_map(
 				u32 h_stream, u32 *mo, u32 *mi)
 {
 	if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
-		return hpi_outstream_group_get_map(hS, h_stream, mo, mi);
+		return hpi_outstream_group_get_map(h_stream, mo, mi);
 	else
-		return hpi_instream_group_get_map(hS, h_stream, mo, mi);
+		return hpi_instream_group_get_map(h_stream, mo, mi);
 }
 
 static u16 handle_error(u16 err, int line, char *filename)
@@ -335,7 +330,7 @@ static snd_pcm_format_t hpi_to_alsa_formats[] = {
 	 */
 	-1
 #else
-	/* SNDRV_PCM_FORMAT_S24_3LE */	/* { HPI_FORMAT_PCM24_SIGNED        15 */
+	/* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
 #endif
 };
 
@@ -378,7 +373,7 @@ static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 	} else {
 		/* on cards without SRC,
 		   valid rates are determined by sampleclock */
-		err = hpi_mixer_get_control(ss, asihpi->h_mixer,
+		err = hpi_mixer_get_control(asihpi->h_mixer,
 					  HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 					  HPI_CONTROL_SAMPLECLOCK, &h_control);
 		if (err) {
@@ -387,7 +382,7 @@ static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 		}
 
 		for (idx = 0; idx < 100; idx++) {
-			if (hpi_sample_clock_query_local_rate(ss,
+			if (hpi_sample_clock_query_local_rate(
 				h_control, idx, &sample_rate)) {
 				if (!idx)
 					snd_printk(KERN_ERR
@@ -480,10 +475,10 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 			format, params_rate(params), 0, 0));
 
 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
-		if (hpi_instream_reset(ss, dpcm->h_stream) != 0)
+		if (hpi_instream_reset(dpcm->h_stream) != 0)
 			return -EINVAL;
 
-		if (hpi_instream_set_format(ss,
+		if (hpi_instream_set_format(
 			dpcm->h_stream, &dpcm->format) != 0)
 			return -EINVAL;
 	}
@@ -491,10 +486,10 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 	dpcm->hpi_buffer_attached = 0;
 	if (card->support_mmap) {
 
-		err = hpi_stream_host_buffer_attach(ss, dpcm->h_stream,
+		err = hpi_stream_host_buffer_attach(dpcm->h_stream,
 			params_buffer_bytes(params),  runtime->dma_addr);
 		if (err == 0) {
-			snd_printd(KERN_INFO
+			VPRINTK1(KERN_INFO
 				"stream_host_buffer_attach succeeded %u %lu\n",
 				params_buffer_bytes(params),
 				(unsigned long)runtime->dma_addr);
@@ -505,11 +500,11 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 			return -ENOMEM;
 		}
 
-		err = hpi_stream_get_info_ex(ss, dpcm->h_stream, NULL,
+		err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
 						&dpcm->hpi_buffer_attached,
 						NULL, NULL, NULL);
 
-		snd_printd(KERN_INFO "stream_host_buffer_attach status 0x%x\n",
+		VPRINTK1(KERN_INFO "stream_host_buffer_attach status 0x%x\n",
 				dpcm->hpi_buffer_attached);
 	}
 	bytes_per_sec = params_rate(params) * params_channels(params);
@@ -520,10 +515,10 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 
 	dpcm->bytes_per_sec = bytes_per_sec;
-	dpcm->pcm_size = params_buffer_bytes(params);
-	dpcm->pcm_count = params_period_bytes(params);
-	snd_printd(KERN_INFO "pcm_size=%d, pcm_count=%d, bps=%d\n",
-			dpcm->pcm_size, dpcm->pcm_count, bytes_per_sec);
+	dpcm->buffer_bytes = params_buffer_bytes(params);
+	dpcm->period_bytes = params_period_bytes(params);
+	VPRINTK1(KERN_INFO "buffer_bytes=%d, period_bytes=%d, bps=%d\n",
+			dpcm->buffer_bytes, dpcm->period_bytes, bytes_per_sec);
 
 	return 0;
 }
@@ -534,7 +529,7 @@ snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 	if (dpcm->hpi_buffer_attached)
-		hpi_stream_host_buffer_detach(ss, dpcm->h_stream);
+		hpi_stream_host_buffer_detach(dpcm->h_stream);
 
 	snd_pcm_lib_free_pages(substream);
 	return 0;
@@ -553,7 +548,8 @@ static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 	int expiry;
 
-	expiry = HZ / 100;; //? (dpcm->pcm_count * HZ / dpcm->bytes_per_sec);
+	expiry = HZ / 200;
+	/*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
 	expiry = max(expiry, 1); /* don't let it be zero! */
 	dpcm->timer.expires = jiffies + expiry;
 	dpcm->respawn_timer = 1;
@@ -577,8 +573,8 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 	struct snd_pcm_substream *s;
 	u16 e;
 
-	snd_printd("Trigger %dstream %d\n",
-			substream->stream, substream->number);
+	VPRINTK1(KERN_INFO "%c%d trigger\n",
+			SCHR(substream->stream), substream->number);
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
 		snd_pcm_group_for_each_entry(s, substream) {
@@ -588,6 +584,10 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 			if (snd_pcm_substream_chip(s) != card)
 				continue;
 
+			/* don't link Cap and Play */
+			if (substream->stream != s->stream)
+				continue;
+
 			if ((s->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
 				(card->support_mmap)) {
 				/* How do I know how much valid data is present
@@ -596,10 +596,10 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 				* buffer is bigger it may contain even more
 				* data??
 				*/
-				unsigned int preload = ds->pcm_count * 1;
-				VPRINTK2("Preload x%x\n", preload);
+				unsigned int preload = ds->period_bytes * 1;
+				VPRINTK2(KERN_INFO "%d preload x%x\n", s->number, preload);
 				hpi_handle_error(hpi_outstream_write_buf(
-						ss, ds->h_stream,
+						ds->h_stream,
 						&runtime->dma_area[0],
 						preload,
 						&ds->format));
@@ -607,9 +607,10 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 			}
 
 			if (card->support_grouping) {
-				VPRINTK1("\t_group %dstream %d\n", s->stream,
+				VPRINTK1(KERN_INFO "\t%c%d group\n",
+						SCHR(s->stream),
 						s->number);
-				e = hpi_stream_group_add(ss,
+				e = hpi_stream_group_add(
 					dpcm->h_stream,
 					ds->h_stream);
 				if (!e) {
@@ -621,10 +622,11 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 			} else
 				break;
 		}
-		snd_printd("Start\n");
+		VPRINTK1(KERN_INFO "start\n");
 		/* start the master stream */
 		snd_card_asihpi_pcm_timer_start(substream);
-		hpi_handle_error(hpi_stream_start(ss, dpcm->h_stream));
+		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+			hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 		break;
 
 	case SNDRV_PCM_TRIGGER_STOP:
@@ -632,43 +634,46 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 		snd_pcm_group_for_each_entry(s, substream) {
 			if (snd_pcm_substream_chip(s) != card)
 				continue;
+			/* don't link Cap and Play */
+			if (substream->stream != s->stream)
+				continue;
 
 			/*? workaround linked streams don't
 			transition to SETUP 20070706*/
 			s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
 
 			if (card->support_grouping) {
-				VPRINTK1("\t_group %dstream %d\n", s->stream,
+				VPRINTK1(KERN_INFO "\t%c%d group\n",
+				SCHR(s->stream),
 					s->number);
 				snd_pcm_trigger_done(s, substream);
 			} else
 				break;
 		}
-		snd_printd("Stop\n");
+		VPRINTK1(KERN_INFO "stop\n");
 
 		/* _prepare and _hwparams reset the stream */
-		hpi_handle_error(hpi_stream_stop(ss, dpcm->h_stream));
+		hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 			hpi_handle_error(
-				hpi_outstream_reset(ss, dpcm->h_stream));
+				hpi_outstream_reset(dpcm->h_stream));
 
 		if (card->support_grouping)
-			hpi_handle_error(hpi_stream_group_reset(ss,
-						dpcm->h_stream));
+			hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
 		break;
 
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		snd_printd("Pause release\n");
-		hpi_handle_error(hpi_stream_start(ss, dpcm->h_stream));
+		VPRINTK1(KERN_INFO "pause release\n");
+		hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 		snd_card_asihpi_pcm_timer_start(substream);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		snd_printd("Pause\n");
+		VPRINTK1(KERN_INFO "pause\n");
 		snd_card_asihpi_pcm_timer_stop(substream);
-		hpi_handle_error(hpi_stream_stop(ss, dpcm->h_stream));
+		hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 		break;
 	default:
-		snd_printd("\tINVALID\n");
+		snd_printd(KERN_ERR "\tINVALID\n");
 		return -EINVAL;
 	}
 
@@ -683,19 +688,19 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 pcm_buf_dma_ofs=get_buf_pos(s);
 for_each_linked_stream(s) {
 	pcm_buf_dma_ofs=get_buf_pos(s);
-	min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, pcm_size)
+	min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
 	new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
 }
 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
 for_each_linked_stream(s) {
 	s->pcm_buf_dma_ofs = min_buf_pos;
-	if (new_data > pcm_count) {
+	if (new_data > period_bytes) {
 		if (mmap) {
-			irq_pos = (irq_pos + pcm_count) % pcm_size;
+			irq_pos = (irq_pos + period_bytes) % buffer_bytes;
 			if (playback) {
-				write(pcm_count);
+				write(period_bytes);
 			} else {
-				read(pcm_count);
+				read(period_bytes);
 			}
 		}
 		snd_pcm_period_elapsed(s);
@@ -723,25 +728,34 @@ static inline unsigned int modulo_min(unsigned int a, unsigned int b,
 static void snd_card_asihpi_timer_function(unsigned long data)
 {
 	struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
-	struct snd_card_asihpi *card = snd_pcm_substream_chip(dpcm->substream);
+	struct snd_pcm_substream *substream = dpcm->substream;
+	struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime;
 	struct snd_pcm_substream *s;
 	unsigned int newdata = 0;
 	unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
 	unsigned int remdata, xfercount, next_jiffies;
 	int first = 1;
+	int loops = 0;
 	u16 state;
 	u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
 
+	VPRINTK1(KERN_INFO "%c%d snd_card_asihpi_timer_function\n",
+				SCHR(substream->stream), substream->number);
+
 	/* find minimum newdata and buffer pos in group */
-	snd_pcm_group_for_each_entry(s, dpcm->substream) {
+	snd_pcm_group_for_each_entry(s, substream) {
 		struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 		runtime = s->runtime;
 
 		if (snd_pcm_substream_chip(s) != card)
 			continue;
 
-		hpi_handle_error(hpi_stream_get_info_ex(ss,
+		/* don't link Cap and Play */
+		if (substream->stream != s->stream)
+			continue;
+
+		hpi_handle_error(hpi_stream_get_info_ex(
 					ds->h_stream, &state,
 					&buffer_size, &bytes_avail,
 					&samples_played, &on_card_bytes));
@@ -749,86 +763,96 @@ static void snd_card_asihpi_timer_function(unsigned long data)
 		/* number of bytes in on-card buffer */
 		runtime->delay = on_card_bytes;
 
-		if (state == HPI_STATE_DRAINED) {
-			snd_printd(KERN_WARNING  "outstream %d drained\n",
-					s->number);
-			//snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
-			//return;
-		}
-
-		if (s->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
-		else
+			if (state == HPI_STATE_STOPPED) {
+				if ((bytes_avail == 0) &&
+				    (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
+					hpi_handle_error(hpi_stream_start(ds->h_stream));
+					VPRINTK1(KERN_INFO "P%d start\n", s->number);
+				}
+			} else if (state == HPI_STATE_DRAINED) {
+				VPRINTK1(KERN_WARNING "P%d drained\n",
+						s->number);
+				/*snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
+				continue; */
+			}
+		} else
 			pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
 
 		if (first) {
 			/* can't statically init min when wrap is involved */
 			min_buf_pos = pcm_buf_dma_ofs;
-			newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->pcm_size;
+			newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
 			first = 0;
 		} else {
 			min_buf_pos =
 				modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
 			newdata = min(
-				(pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->pcm_size,
+				(pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
 				newdata);
 		}
 
-		VPRINTK1("PB timer hw_ptr x%04lX, appl_ptr x%04lX\n",
+		VPRINTK1(KERN_INFO "PB timer hw_ptr x%04lX, appl_ptr x%04lX\n",
 			(unsigned long)frames_to_bytes(runtime,
 						runtime->status->hw_ptr),
 			(unsigned long)frames_to_bytes(runtime,
 						runtime->control->appl_ptr));
 
-		VPRINTK1("%d S=%d, irq=%04X, pos=x%04X, left=x%04X,"
-			" aux=x%04X space=x%04X\n", s->number,
+		VPRINTK1(KERN_INFO "%d %c%d S=%d, rw=%04X, dma=x%04X, left=x%04X,"
+			" aux=x%04X space=x%04X\n",
+			loops, SCHR(s->stream),	s->number,
 			state,	ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, (int)bytes_avail,
 			(int)on_card_bytes, buffer_size-bytes_avail);
+		loops++;
 	}
 	pcm_buf_dma_ofs = min_buf_pos;
 
-	remdata = newdata % dpcm->pcm_count;
-	xfercount = newdata - remdata; /* a multiple of pcm_count */
+	remdata = newdata % dpcm->period_bytes;
+	xfercount = newdata - remdata; /* a multiple of period_bytes */
 	/* come back when on_card_bytes has decreased enough to allow
 	   write to happen, or when data has been consumed to make another
 	   period
 	*/
-	if (xfercount && (on_card_bytes  > dpcm->pcm_count))
-		next_jiffies = ((on_card_bytes - dpcm->pcm_count) * HZ / dpcm->bytes_per_sec);
+	if (xfercount && (on_card_bytes  > dpcm->period_bytes))
+		next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
 	else
-		next_jiffies = ((dpcm->pcm_count - remdata) * HZ / dpcm->bytes_per_sec);
+		next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
 
 	next_jiffies = max(next_jiffies, 1U);
 	dpcm->timer.expires = jiffies + next_jiffies;
-	VPRINTK1("jif %d buf pos x%04X newdata x%04X xfer x%04X\n",
+	VPRINTK1(KERN_INFO "jif %d buf pos x%04X newdata x%04X xfer x%04X\n",
 			next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
 
-
-	snd_pcm_group_for_each_entry(s, dpcm->substream) {
+	snd_pcm_group_for_each_entry(s, substream) {
 		struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 
+		/* don't link Cap and Play */
+		if (substream->stream != s->stream)
+			continue;
+
 		ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
 
-		if (xfercount && (on_card_bytes <= ds->pcm_count)) {
+		if (xfercount && (on_card_bytes <= ds->period_bytes)) {
 			if (card->support_mmap) {
 				if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-					VPRINTK2("Write OS%d x%04x\n",
+					VPRINTK2(KERN_INFO "P%d write x%04x\n",
 							s->number,
-							ds->pcm_count);
+							ds->period_bytes);
 					hpi_handle_error(
 						hpi_outstream_write_buf(
-							ss, ds->h_stream,
+							ds->h_stream,
 							&s->runtime->
 								dma_area[0],
 							xfercount,
 							&ds->format));
 				} else {
-					VPRINTK2("Read IS%d x%04x\n",
+					VPRINTK2(KERN_INFO "C%d read x%04x\n",
 						s->number,
 						xfercount);
 					hpi_handle_error(
 						hpi_instream_read_buf(
-							ss, ds->h_stream,
+							ds->h_stream,
 							NULL, xfercount));
 				}
 				ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
@@ -856,9 +880,9 @@ static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 
-	snd_printd(KERN_INFO "playback prepare %d\n", substream->number);
+	VPRINTK1(KERN_INFO "playback prepare %d\n", substream->number);
 
-	hpi_handle_error(hpi_outstream_reset(ss, dpcm->h_stream));
+	hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
 	dpcm->pcm_buf_host_rw_ofs = 0;
 	dpcm->pcm_buf_dma_ofs = 0;
 	dpcm->pcm_buf_elapsed_dma_ofs = 0;
@@ -872,8 +896,8 @@ snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 	snd_pcm_uframes_t ptr;
 
-	ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->pcm_size);
-	//VPRINTK2("playback_pointer=x%04lx\n", (unsigned long)ptr);
+	ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->buffer_bytes);
+	/* VPRINTK2(KERN_INFO "playback_pointer=x%04lx\n", (unsigned long)ptr); */
 	return ptr;
 }
 
@@ -890,12 +914,12 @@ static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
 	/* on cards without SRC, must query at valid rate,
 	* maybe set by external sync
 	*/
-	err = hpi_mixer_get_control(ss, asihpi->h_mixer,
+	err = hpi_mixer_get_control(asihpi->h_mixer,
 				  HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 				  HPI_CONTROL_SAMPLECLOCK, &h_control);
 
 	if (!err)
-		err = hpi_sample_clock_get_sample_rate(ss, h_control,
+		err = hpi_sample_clock_get_sample_rate(h_control,
 				&sample_rate);
 
 	for (format = HPI_FORMAT_PCM8_UNSIGNED;
@@ -903,7 +927,7 @@ static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
 		err = hpi_format_create(&hpi_format,
 					2, format, sample_rate, 128000, 0);
 		if (!err)
-			err = hpi_outstream_query_format(ss, h_stream,
+			err = hpi_outstream_query_format(h_stream,
 							&hpi_format);
 		if (!err && (hpi_to_alsa_formats[format] != -1))
 			pcmhw->formats |=
@@ -934,7 +958,7 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 		return -ENOMEM;
 
 	err =
-	    hpi_outstream_open(ss, card->adapter_index,
+	    hpi_outstream_open(card->adapter_index,
 			      substream->number, &dpcm->h_stream);
 	hpi_handle_error(err);
 	if (err)
@@ -994,7 +1018,7 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 
 	snd_pcm_set_sync(substream);
 
-	snd_printd(KERN_INFO "playback open\n");
+	VPRINTK1(KERN_INFO "playback open\n");
 
 	return 0;
 }
@@ -1004,8 +1028,8 @@ static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 
-	hpi_handle_error(hpi_outstream_close(ss, dpcm->h_stream));
-	snd_printd(KERN_INFO "playback close\n");
+	hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
+	VPRINTK1(KERN_INFO "playback close\n");
 
 	return 0;
 }
@@ -1028,7 +1052,7 @@ static int snd_card_asihpi_playback_copy(struct snd_pcm_substream *substream,
 	VPRINTK2(KERN_DEBUG "playback copy%d %u bytes\n",
 			substream->number, len);
 
-	hpi_handle_error(hpi_outstream_write_buf(ss, dpcm->h_stream,
+	hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream,
 				runtime->dma_area, len, &dpcm->format));
 
 	dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len;
@@ -1046,10 +1070,10 @@ static int snd_card_asihpi_playback_silence(struct snd_pcm_substream *
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 
 	len = frames_to_bytes(runtime, count);
-	snd_printd(KERN_INFO "playback silence  %u bytes\n", len);
+	VPRINTK1(KERN_INFO "playback silence  %u bytes\n", len);
 
 	memset(runtime->dma_area, 0, len);
-	hpi_handle_error(hpi_outstream_write_buf(ss, dpcm->h_stream,
+	hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream,
 				runtime->dma_area, len, &dpcm->format));
 	return 0;
 }
@@ -1085,13 +1109,13 @@ snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 
-	VPRINTK2("Capture pointer %d=%d\n",
+	VPRINTK2(KERN_INFO "capture pointer %d=%d\n",
 			substream->number, dpcm->pcm_buf_dma_ofs);
 	/* NOTE Unlike playback can't use actual samples_played
 		for the capture position, because those samples aren't yet in
 		the local buffer available for reading.
 	*/
-	return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->pcm_size);
+	return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
 }
 
 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
@@ -1105,12 +1129,12 @@ static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 
-	hpi_handle_error(hpi_instream_reset(ss, dpcm->h_stream));
+	hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
 	dpcm->pcm_buf_host_rw_ofs = 0;
 	dpcm->pcm_buf_dma_ofs = 0;
 	dpcm->pcm_buf_elapsed_dma_ofs = 0;
 
-	snd_printd("Capture Prepare %d\n", substream->number);
+	VPRINTK1("Capture Prepare %d\n", substream->number);
 	return 0;
 }
 
@@ -1128,12 +1152,12 @@ static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
 
 	/* on cards without SRC, must query at valid rate,
 		maybe set by external sync */
-	err = hpi_mixer_get_control(ss, asihpi->h_mixer,
+	err = hpi_mixer_get_control(asihpi->h_mixer,
 				  HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 				  HPI_CONTROL_SAMPLECLOCK, &h_control);
 
 	if (!err)
-		err = hpi_sample_clock_get_sample_rate(ss, h_control,
+		err = hpi_sample_clock_get_sample_rate(h_control,
 			&sample_rate);
 
 	for (format = HPI_FORMAT_PCM8_UNSIGNED;
@@ -1142,7 +1166,7 @@ static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
 		err = hpi_format_create(&hpi_format, 2, format,
 				sample_rate, 128000, 0);
 		if (!err)
-			err = hpi_instream_query_format(ss, h_stream,
+			err = hpi_instream_query_format(h_stream,
 					    &hpi_format);
 		if (!err)
 			pcmhw->formats |=
@@ -1173,11 +1197,11 @@ static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
 	if (dpcm == NULL)
 		return -ENOMEM;
 
-	snd_printd("hpi_instream_open adapter %d stream %d\n",
+	VPRINTK1("hpi_instream_open adapter %d stream %d\n",
 		   card->adapter_index, substream->number);
 
 	err = hpi_handle_error(
-	    hpi_instream_open(ss, card->adapter_index,
+	    hpi_instream_open(card->adapter_index,
 			     substream->number, &dpcm->h_stream));
 	if (err)
 		kfree(dpcm);
@@ -1229,7 +1253,7 @@ static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
 {
 	struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
 
-	hpi_handle_error(hpi_instream_close(ss, dpcm->h_stream));
+	hpi_handle_error(hpi_instream_close(dpcm->h_stream));
 	return 0;
 }
 
@@ -1243,8 +1267,8 @@ static int snd_card_asihpi_capture_copy(struct snd_pcm_substream *substream,
 
 	len = frames_to_bytes(runtime, count);
 
-	VPRINTK2("Capture copy%d %d bytes\n", substream->number, len);
-	hpi_handle_error(hpi_instream_read_buf(ss, dpcm->h_stream,
+	VPRINTK2(KERN_INFO "capture copy%d %d bytes\n", substream->number, len);
+	hpi_handle_error(hpi_instream_read_buf(dpcm->h_stream,
 				runtime->dma_area, len));
 
 	dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len;
@@ -1327,8 +1351,7 @@ struct hpi_control {
 	char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
 };
 
-static const char * const asihpi_tuner_band_names[] =
-{
+static const char * const asihpi_tuner_band_names[] = {
 	"invalid",
 	"AM",
 	"FM mono",
@@ -1346,8 +1369,7 @@ compile_time_assert(
 		(HPI_TUNER_BAND_LAST+1)),
 	assert_tuner_band_names_size);
 
-static const char * const asihpi_src_names[] =
-{
+static const char * const asihpi_src_names[] = {
 	"no source",
 	"PCM",
 	"Line",
@@ -1367,8 +1389,7 @@ compile_time_assert(
 		(HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
 	assert_src_names_size);
 
-static const char * const asihpi_dst_names[] =
-{
+static const char * const asihpi_dst_names[] = {
 	"no destination",
 	"PCM",
 	"Line",
@@ -1415,7 +1436,8 @@ static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
 	else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
 		(!hpi_ctl->dst_node_type))
 		dir = "Capture "; /* On a source node that is not PCM playback */
-	else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
+	else if (hpi_ctl->src_node_type &&
+		(hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
 		(hpi_ctl->dst_node_type))
 		dir = "Monitor Playback "; /* Between an input and an output */
 	else
@@ -1439,7 +1461,8 @@ static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
 		hpi_ctl->src_node_index,
 		dir, name);
 	}
-	// printk(KERN_INFO "adding %s %d to %d ",  hpi_ctl->name, hpi_ctl->src_node_type, hpi_ctl->dst_node_type);
+	/* printk(KERN_INFO "Adding %s %d to %d ",  hpi_ctl->name,
+		hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
 }
 
 /*------------------------------------------------------------
@@ -1456,7 +1479,7 @@ static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
 	short max_gain_mB;
 	short step_gain_mB;
 
-	err = hpi_volume_query_range(ss, h_control,
+	err = hpi_volume_query_range(h_control,
 			&min_gain_mB, &max_gain_mB, &step_gain_mB);
 	if (err) {
 		max_gain_mB = 0;
@@ -1478,7 +1501,7 @@ static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	short an_gain_mB[HPI_MAX_CHANNELS];
 
-	hpi_handle_error(hpi_volume_get_gain(ss, h_control, an_gain_mB));
+	hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
 	ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
 	ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
 
@@ -1500,7 +1523,7 @@ static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
 	   asihpi->mixer_volume[addr][1] != right;
 	 */
 	change = 1;
-	hpi_handle_error(hpi_volume_set_gain(ss, h_control, an_gain_mB));
+	hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
 	return change;
 }
 
@@ -1536,7 +1559,7 @@ static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
 	short step_gain_mB;
 
 	err =
-	    hpi_level_query_range(ss, h_control, &min_gain_mB,
+	    hpi_level_query_range(h_control, &min_gain_mB,
 			       &max_gain_mB, &step_gain_mB);
 	if (err) {
 		max_gain_mB = 2400;
@@ -1558,7 +1581,7 @@ static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	short an_gain_mB[HPI_MAX_CHANNELS];
 
-	hpi_handle_error(hpi_level_get_gain(ss, h_control, an_gain_mB));
+	hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
 	ucontrol->value.integer.value[0] =
 	    an_gain_mB[0] / HPI_UNITS_PER_dB;
 	ucontrol->value.integer.value[1] =
@@ -1582,7 +1605,7 @@ static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
 	   asihpi->mixer_level[addr][1] != right;
 	 */
 	change = 1;
-	hpi_handle_error(hpi_level_set_gain(ss, h_control, an_gain_mB));
+	hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
 	return change;
 }
 
@@ -1611,12 +1634,8 @@ static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
  ------------------------------------------------------------*/
 
 /* AESEBU format */
-static const char * const asihpi_aesebu_format_names[] =
-{
-	"N/A",
-	"S/PDIF",
-	"AES/EBU",
-};
+static const char * const asihpi_aesebu_format_names[] = {
+	"N/A", "S/PDIF", "AES/EBU" };
 
 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
 				  struct snd_ctl_elem_info *uinfo)
@@ -1637,12 +1656,12 @@ static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
 
 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
 			struct snd_ctl_elem_value *ucontrol,
-			u16 (*func)(const struct hpi_hsubsys *, u32, u16 *))
+			u16 (*func)(u32, u16 *))
 {
 	u32 h_control = kcontrol->private_value;
 	u16 source, err;
 
-	err = func(ss, h_control, &source);
+	err = func(h_control, &source);
 
 	/* default to N/A */
 	ucontrol->value.enumerated.item[0] = 0;
@@ -1659,7 +1678,7 @@ static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
 
 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
 			struct snd_ctl_elem_value *ucontrol,
-			 u16 (*func)(const struct hpi_hsubsys *, u32, u16))
+			 u16 (*func)(u32, u16))
 {
 	u32 h_control = kcontrol->private_value;
 
@@ -1671,7 +1690,7 @@ static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
 	if (ucontrol->value.enumerated.item[0] == 2)
 		source = HPI_AESEBU_FORMAT_AESEBU;
 
-	if (func(ss, h_control, source) != 0)
+	if (func(h_control, source) != 0)
 		return -EINVAL;
 
 	return 1;
@@ -1680,13 +1699,13 @@ static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol) {
 	return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
-					HPI_AESEBU__receiver_get_format);
+					hpi_aesebu_receiver_get_format);
 }
 
 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol) {
 	return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
-					HPI_AESEBU__receiver_set_format);
+					hpi_aesebu_receiver_set_format);
 }
 
 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
@@ -1708,8 +1727,8 @@ static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	u16 status;
 
-	hpi_handle_error(HPI_AESEBU__receiver_get_error_status(
-				ss, h_control, &status));
+	hpi_handle_error(hpi_aesebu_receiver_get_error_status(
+					 h_control, &status));
 	ucontrol->value.integer.value[0] = status;
 	return 0;
 }
@@ -1742,13 +1761,13 @@ static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol) {
 	return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
-					HPI_AESEBU__transmitter_get_format);
+					hpi_aesebu_transmitter_get_format);
 }
 
 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_value *ucontrol) {
 	return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
-					HPI_AESEBU__transmitter_set_format);
+					hpi_aesebu_transmitter_set_format);
 }
 
 
@@ -1782,7 +1801,7 @@ static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
 	u16 gain_range[3];
 
 	for (idx = 0; idx < 3; idx++) {
-		err = hpi_tuner_query_gain(ss, h_control,
+		err = hpi_tuner_query_gain(h_control,
 					  idx, &gain_range[idx]);
 		if (err != 0)
 			return err;
@@ -1805,7 +1824,7 @@ static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	short gain;
 
-	hpi_handle_error(hpi_tuner_get_gain(ss, h_control, &gain));
+	hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
 	ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
 
 	return 0;
@@ -1821,7 +1840,7 @@ static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
 	short gain;
 
 	gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
-	hpi_handle_error(hpi_tuner_set_gain(ss, h_control, gain));
+	hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
 
 	return 1;
 }
@@ -1835,7 +1854,7 @@ static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
 	u32 i;
 
 	for (i = 0; i < len; i++) {
-		err = hpi_tuner_query_band(ss,
+		err = hpi_tuner_query_band(
 				h_control, i, &band_list[i]);
 		if (err != 0)
 			break;
@@ -1891,7 +1910,7 @@ static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
 	num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
 				HPI_TUNER_BAND_LAST);
 
-	hpi_handle_error(hpi_tuner_get_band(ss, h_control, &band));
+	hpi_handle_error(hpi_tuner_get_band(h_control, &band));
 
 	ucontrol->value.enumerated.item[0] = -1;
 	for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
@@ -1918,7 +1937,7 @@ static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
 			HPI_TUNER_BAND_LAST);
 
 	band = tuner_bands[ucontrol->value.enumerated.item[0]];
-	hpi_handle_error(hpi_tuner_set_band(ss, h_control, band));
+	hpi_handle_error(hpi_tuner_set_band(h_control, band));
 
 	return 1;
 }
@@ -1943,7 +1962,7 @@ static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
 
 	for (band_iter = 0; band_iter < num_bands; band_iter++) {
 		for (idx = 0; idx < 3; idx++) {
-			err = hpi_tuner_query_frequency(ss, h_control,
+			err = hpi_tuner_query_frequency(h_control,
 				idx, tuner_bands[band_iter],
 				&temp_freq_range[idx]);
 			if (err != 0)
@@ -1976,7 +1995,7 @@ static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	u32 freq;
 
-	hpi_handle_error(hpi_tuner_get_frequency(ss, h_control, &freq));
+	hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
 	ucontrol->value.integer.value[0] = freq;
 
 	return 0;
@@ -1989,7 +2008,7 @@ static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
 	u32 freq;
 
 	freq = ucontrol->value.integer.value[0];
-	hpi_handle_error(hpi_tuner_set_frequency(ss, h_control, freq));
+	hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
 
 	return 1;
 }
@@ -2004,7 +2023,7 @@ static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
 	snd_control.private_value = hpi_ctl->h_control;
 	snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
 
-	if (!hpi_tuner_get_gain(ss, hpi_ctl->h_control, NULL)) {
+	if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
 		asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
 		snd_control.info = snd_asihpi_tuner_gain_info;
 		snd_control.get = snd_asihpi_tuner_gain_get;
@@ -2073,7 +2092,7 @@ static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
 	short an_gain_mB[HPI_MAX_CHANNELS], i;
 	u16 err;
 
-	err = hpi_meter_get_peak(ss, h_control, an_gain_mB);
+	err = hpi_meter_get_peak(h_control, an_gain_mB);
 
 	for (i = 0; i < HPI_MAX_CHANNELS; i++) {
 		if (err) {
@@ -2118,7 +2137,7 @@ static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
 	struct hpi_control hpi_ctl;
 	int s, err;
 	for (s = 0; s < 32; s++) {
-		err = hpi_multiplexer_query_source(ss, h_control, s,
+		err = hpi_multiplexer_query_source(h_control, s,
 						  &hpi_ctl.
 						  src_node_type,
 						  &hpi_ctl.
@@ -2146,7 +2165,7 @@ static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
 		    uinfo->value.enumerated.items - 1;
 
 	err =
-	    hpi_multiplexer_query_source(ss, h_control,
+	    hpi_multiplexer_query_source(h_control,
 					uinfo->value.enumerated.item,
 					&src_node_type, &src_node_index);
 
@@ -2164,11 +2183,11 @@ static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
 	u16 src_node_type, src_node_index;
 	int s;
 
-	hpi_handle_error(hpi_multiplexer_get_source(ss, h_control,
+	hpi_handle_error(hpi_multiplexer_get_source(h_control,
 				&source_type, &source_index));
 	/* Should cache this search result! */
 	for (s = 0; s < 256; s++) {
-		if (hpi_multiplexer_query_source(ss, h_control, s,
+		if (hpi_multiplexer_query_source(h_control, s,
 					    &src_node_type, &src_node_index))
 			break;
 
@@ -2195,12 +2214,12 @@ static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
 
 	change = 1;
 
-	e = hpi_multiplexer_query_source(ss, h_control,
+	e = hpi_multiplexer_query_source(h_control,
 				    ucontrol->value.enumerated.item[0],
 				    &source_type, &source_index);
 	if (!e)
 		hpi_handle_error(
-			hpi_multiplexer_set_source(ss, h_control,
+			hpi_multiplexer_set_source(h_control,
 						source_type, source_index));
 	return change;
 }
@@ -2246,7 +2265,7 @@ static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
 	*/
 	for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
 		if (!hpi_channel_mode_query_mode(
-			ss,  h_control, i, &mode)) {
+			h_control, i, &mode)) {
 			mode_map[valid_modes] = mode;
 			valid_modes++;
 			}
@@ -2270,7 +2289,7 @@ static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
 	u32 h_control = kcontrol->private_value;
 	u16 mode;
 
-	if (hpi_channel_mode_get(ss, h_control, &mode))
+	if (hpi_channel_mode_get(h_control, &mode))
 		mode = 1;
 
 	ucontrol->value.enumerated.item[0] = mode - 1;
@@ -2286,7 +2305,7 @@ static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
 
 	change = 1;
 
-	hpi_handle_error(hpi_channel_mode_set(ss, h_control,
+	hpi_handle_error(hpi_channel_mode_set(h_control,
 			   ucontrol->value.enumerated.item[0] + 1));
 	return change;
 }
@@ -2310,12 +2329,12 @@ static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
 /*------------------------------------------------------------
    Sampleclock source  controls
  ------------------------------------------------------------*/
-static char *sampleclock_sources[MAX_CLOCKSOURCES] =
-{ "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
-	  "SMPTE", "Digital1", "Auto", "Network", "Invalid",
-	  "Prev Module",
-	  "Digital2", "Digital3", "Digital4", "Digital5",
-	  "Digital6", "Digital7", "Digital8"};
+static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
+	"N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
+	"SMPTE", "Digital1", "Auto", "Network", "Invalid",
+	"Prev Module",
+	"Digital2", "Digital3", "Digital4", "Digital5",
+	"Digital6", "Digital7", "Digital8"};
 
 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
 				  struct snd_ctl_elem_info *uinfo)
@@ -2347,11 +2366,11 @@ static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
 	int i;
 
 	ucontrol->value.enumerated.item[0] = 0;
-	if (hpi_sample_clock_get_source(ss, h_control, &source))
+	if (hpi_sample_clock_get_source(h_control, &source))
 		source = 0;
 
 	if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
-		if (hpi_sample_clock_get_source_index(ss, h_control, &srcindex))
+		if (hpi_sample_clock_get_source_index(h_control, &srcindex))
 			srcindex = 0;
 
 	for (i = 0; i < clkcache->count; i++)
@@ -2378,11 +2397,11 @@ static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
 	if (item >= clkcache->count)
 		item = clkcache->count-1;
 
-	hpi_handle_error(hpi_sample_clock_set_source(ss,
+	hpi_handle_error(hpi_sample_clock_set_source(
 				h_control, clkcache->s[item].source));
 
 	if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
-		hpi_handle_error(hpi_sample_clock_set_source_index(ss,
+		hpi_handle_error(hpi_sample_clock_set_source_index(
 				h_control, clkcache->s[item].index));
 	return change;
 }
@@ -2410,7 +2429,7 @@ static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
 	u32 rate;
 	u16 e;
 
-	e = hpi_sample_clock_get_local_rate(ss, h_control, &rate);
+	e = hpi_sample_clock_get_local_rate(h_control, &rate);
 	if (!e)
 		ucontrol->value.integer.value[0] = rate;
 	else
@@ -2428,7 +2447,7 @@ static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
 	   asihpi->mixer_clkrate[addr][1] != right;
 	 */
 	change = 1;
-	hpi_handle_error(hpi_sample_clock_set_local_rate(ss, h_control,
+	hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
 				      ucontrol->value.integer.value[0]));
 	return change;
 }
@@ -2452,7 +2471,7 @@ static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
 	u32 rate;
 	u16 e;
 
-	e = hpi_sample_clock_get_sample_rate(ss, h_control, &rate);
+	e = hpi_sample_clock_get_sample_rate(h_control, &rate);
 	if (!e)
 		ucontrol->value.integer.value[0] = rate;
 	else
@@ -2477,7 +2496,7 @@ static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
 	clkcache->has_local = 0;
 
 	for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
-		if  (hpi_sample_clock_query_source(ss, hSC,
+		if  (hpi_sample_clock_query_source(hSC,
 				i, &source))
 			break;
 		clkcache->s[i].source = source;
@@ -2491,7 +2510,7 @@ static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
 	if (has_aes_in)
 		/* already will have picked up index 0 above */
 		for (j = 1; j < 8; j++) {
-			if (hpi_sample_clock_query_source_index(ss, hSC,
+			if (hpi_sample_clock_query_source_index(hSC,
 				j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
 				&source))
 				break;
@@ -2550,7 +2569,7 @@ static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
 	strcpy(card->mixername, "Asihpi Mixer");
 
 	err =
-	    hpi_mixer_open(ss, asihpi->adapter_index,
+	    hpi_mixer_open(asihpi->adapter_index,
 			  &asihpi->h_mixer);
 	hpi_handle_error(err);
 	if (err)
@@ -2561,7 +2580,7 @@ static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
 
 	for (idx = 0; idx < 2000; idx++) {
 		err = hpi_mixer_get_control_by_index(
-				ss, asihpi->h_mixer,
+				asihpi->h_mixer,
 				idx,
 				&hpi_ctl.src_node_type,
 				&hpi_ctl.src_node_index,
@@ -2688,14 +2707,14 @@ snd_asihpi_proc_read(struct snd_info_entry *entry,
 		version & 0x7,
 		((version >> 13) * 100) + ((version >> 7) & 0x3f));
 
-	err = hpi_mixer_get_control(ss, asihpi->h_mixer,
+	err = hpi_mixer_get_control(asihpi->h_mixer,
 				  HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 				  HPI_CONTROL_SAMPLECLOCK, &h_control);
 
 	if (!err) {
-		err = hpi_sample_clock_get_sample_rate(ss,
+		err = hpi_sample_clock_get_sample_rate(
 					h_control, &rate);
-		err += hpi_sample_clock_get_source(ss, h_control, &source);
+		err += hpi_sample_clock_get_source(h_control, &source);
 
 		if (!err)
 			snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
@@ -2825,7 +2844,7 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
 	asihpi->card = card;
 	asihpi->pci = hpi_card->pci;
 	asihpi->adapter_index = hpi_card->index;
-	hpi_handle_error(hpi_adapter_get_info(ss,
+	hpi_handle_error(hpi_adapter_get_info(
 				 asihpi->adapter_index,
 				 &asihpi->num_outstreams,
 				 &asihpi->num_instreams,
@@ -2847,33 +2866,33 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
 	if (pcm_substreams < asihpi->num_instreams)
 		pcm_substreams = asihpi->num_instreams;
 
-	err = hpi_adapter_get_property(ss, asihpi->adapter_index,
+	err = hpi_adapter_get_property(asihpi->adapter_index,
 		HPI_ADAPTER_PROPERTY_CAPS1,
 		NULL, &asihpi->support_grouping);
 	if (err)
 		asihpi->support_grouping = 0;
 
-	err = hpi_adapter_get_property(ss, asihpi->adapter_index,
+	err = hpi_adapter_get_property(asihpi->adapter_index,
 		HPI_ADAPTER_PROPERTY_CAPS2,
 		&asihpi->support_mrx, NULL);
 	if (err)
 		asihpi->support_mrx = 0;
 
-	err = hpi_adapter_get_property(ss, asihpi->adapter_index,
+	err = hpi_adapter_get_property(asihpi->adapter_index,
 		HPI_ADAPTER_PROPERTY_INTERVAL,
 		NULL, &asihpi->update_interval_frames);
 	if (err)
 		asihpi->update_interval_frames = 512;
 
-	hpi_handle_error(hpi_instream_open(ss, asihpi->adapter_index,
+	hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
 			     0, &h_stream));
 
-	err = hpi_instream_host_buffer_free(ss, h_stream);
+	err = hpi_instream_host_buffer_free(h_stream);
 	asihpi->support_mmap = (!err);
 
-	hpi_handle_error(hpi_instream_close(ss, h_stream));
+	hpi_handle_error(hpi_instream_close(h_stream));
 
-	err = hpi_adapter_get_property(ss, asihpi->adapter_index,
+	err = hpi_adapter_get_property(asihpi->adapter_index,
 		HPI_ADAPTER_PROPERTY_CURCHANNELS,
 		&asihpi->in_max_chans, &asihpi->out_max_chans);
 	if (err) {
@@ -2899,13 +2918,13 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
 		goto __nodev;
 	}
 
-	err = hpi_mixer_get_control(ss, asihpi->h_mixer,
+	err = hpi_mixer_get_control(asihpi->h_mixer,
 				  HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 				  HPI_CONTROL_SAMPLECLOCK, &h_control);
 
 	if (!err)
 		err = hpi_sample_clock_set_local_rate(
-			ss, h_control, adapter_fs);
+			h_control, adapter_fs);
 
 	snd_asihpi_proc_init(asihpi);