diff options
Diffstat (limited to 'sound')
25 files changed, 558 insertions, 258 deletions
diff --git a/sound/core/seq/seq_lock.c b/sound/core/seq/seq_lock.c index 3b693e924db7..12ba83367b1b 100644 --- a/sound/core/seq/seq_lock.c +++ b/sound/core/seq/seq_lock.c @@ -28,19 +28,16 @@ /* wait until all locks are released */ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line) { - int max_count = 5 * HZ; + int warn_count = 5 * HZ; if (atomic_read(lockp) < 0) { pr_warn("ALSA: seq_lock: lock trouble [counter = %d] in %s:%d\n", atomic_read(lockp), file, line); return; } while (atomic_read(lockp) > 0) { - if (max_count == 0) { - pr_warn("ALSA: seq_lock: timeout [%d left] in %s:%d\n", atomic_read(lockp), file, line); - break; - } + if (warn_count-- == 0) + pr_warn("ALSA: seq_lock: waiting [%d left] in %s:%d\n", atomic_read(lockp), file, line); schedule_timeout_uninterruptible(1); - max_count--; } } diff --git a/sound/firewire/amdtp-stream-trace.h b/sound/firewire/amdtp-stream-trace.h index 850b36e27d0d..ea0d486652c8 100644 --- a/sound/firewire/amdtp-stream-trace.h +++ b/sound/firewire/amdtp-stream-trace.h @@ -101,6 +101,94 @@ TRACE_EVENT(out_packet, __entry->index) ); +TRACE_EVENT(in_packet_without_header, + TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_quadlets, unsigned int data_blocks, unsigned int index), + TP_ARGS(s, cycles, payload_quadlets, data_blocks, index), + TP_STRUCT__entry( + __field(unsigned int, second) + __field(unsigned int, cycle) + __field(int, channel) + __field(int, src) + __field(int, dest) + __field(unsigned int, payload_quadlets) + __field(unsigned int, data_blocks) + __field(unsigned int, data_block_counter) + __field(unsigned int, packet_index) + __field(unsigned int, irq) + __field(unsigned int, index) + ), + TP_fast_assign( + __entry->second = cycles / CYCLES_PER_SECOND; + __entry->cycle = cycles % CYCLES_PER_SECOND; + __entry->channel = s->context->channel; + __entry->src = fw_parent_device(s->unit)->node_id; + __entry->dest = fw_parent_device(s->unit)->card->node_id; + __entry->payload_quadlets = payload_quadlets; + __entry->data_blocks = data_blocks, + __entry->data_block_counter = s->data_block_counter, + __entry->packet_index = s->packet_index; + __entry->irq = !!in_interrupt(); + __entry->index = index; + ), + TP_printk( + "%02u %04u %04x %04x %02d %03u %3u %3u %02u %01u %02u", + __entry->second, + __entry->cycle, + __entry->src, + __entry->dest, + __entry->channel, + __entry->payload_quadlets, + __entry->data_blocks, + __entry->data_block_counter, + __entry->packet_index, + __entry->irq, + __entry->index) +); + +TRACE_EVENT(out_packet_without_header, + TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_length, unsigned int data_blocks, unsigned int index), + TP_ARGS(s, cycles, payload_length, data_blocks, index), + TP_STRUCT__entry( + __field(unsigned int, second) + __field(unsigned int, cycle) + __field(int, channel) + __field(int, src) + __field(int, dest) + __field(unsigned int, payload_quadlets) + __field(unsigned int, data_blocks) + __field(unsigned int, data_block_counter) + __field(unsigned int, packet_index) + __field(unsigned int, irq) + __field(unsigned int, index) + ), + TP_fast_assign( + __entry->second = cycles / CYCLES_PER_SECOND; + __entry->cycle = cycles % CYCLES_PER_SECOND; + __entry->channel = s->context->channel; + __entry->src = fw_parent_device(s->unit)->card->node_id; + __entry->dest = fw_parent_device(s->unit)->node_id; + __entry->payload_quadlets = payload_length / 4; + __entry->data_blocks = data_blocks, + __entry->data_blocks = s->data_block_counter, + __entry->packet_index = s->packet_index; + __entry->irq = !!in_interrupt(); + __entry->index = index; + ), + TP_printk( + "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u", + __entry->second, + __entry->cycle, + __entry->src, + __entry->dest, + __entry->channel, + __entry->payload_quadlets, + __entry->data_blocks, + __entry->data_block_counter, + __entry->packet_index, + __entry->irq, + __entry->index) +); + #endif #undef TRACE_INCLUDE_PATH diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index a03b37bdc274..9e6f54f8c45d 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -412,8 +412,7 @@ static inline int queue_out_packet(struct amdtp_stream *s, static inline int queue_in_packet(struct amdtp_stream *s) { - return queue_packet(s, IN_PACKET_HEADER_SIZE, - amdtp_stream_get_max_payload(s)); + return queue_packet(s, IN_PACKET_HEADER_SIZE, s->max_payload_length); } static int handle_out_packet(struct amdtp_stream *s, @@ -479,6 +478,10 @@ static int handle_out_packet_without_header(struct amdtp_stream *s, s->data_block_counter = (s->data_block_counter + data_blocks) & 0xff; payload_length = data_blocks * 4 * s->data_block_quadlets; + + trace_out_packet_without_header(s, cycle, payload_length, data_blocks, + index); + if (queue_out_packet(s, payload_length) < 0) return -EIO; @@ -617,6 +620,10 @@ static int handle_in_packet_without_header(struct amdtp_stream *s, buffer = s->buffer.packets[s->packet_index].buffer; data_blocks = payload_quadlets / s->data_block_quadlets; + + trace_in_packet_without_header(s, cycle, payload_quadlets, data_blocks, + index); + pcm_frames = s->process_data_blocks(s, buffer, data_blocks, NULL); s->data_block_counter = (s->data_block_counter + data_blocks) & 0xff; @@ -705,12 +712,12 @@ static void in_stream_callback(struct fw_iso_context *context, u32 tstamp, cycle = decrement_cycle_count(cycle, packets); /* For buffer-over-run prevention. */ - max_payload_length = amdtp_stream_get_max_payload(s); + max_payload_length = s->max_payload_length; for (i = 0; i < packets; i++) { cycle = increment_cycle_count(cycle, 1); - /* The number of quadlets in this packet */ + /* The number of bytes in this packet */ payload_length = (be32_to_cpu(headers[i]) >> ISO_DATA_LENGTH_SHIFT); if (payload_length > max_payload_length) { @@ -743,6 +750,8 @@ static void amdtp_stream_first_callback(struct fw_iso_context *context, u32 cycle; unsigned int packets; + s->max_payload_length = amdtp_stream_get_max_payload(s); + /* * For in-stream, first packet has come. * For out-stream, prepared to transmit first packet diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index 2bd4de4c7bb7..7e8831722821 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -110,6 +110,7 @@ struct amdtp_stream { int (*handle_packet)(struct amdtp_stream *s, unsigned int payload_quadlets, unsigned int cycle, unsigned int index); + unsigned int max_payload_length; /* For CIP headers. */ unsigned int source_node_id_field; diff --git a/sound/firewire/fireface/ff-transaction.c b/sound/firewire/fireface/ff-transaction.c index d1b098f8ae42..dd6c8e839647 100644 --- a/sound/firewire/fireface/ff-transaction.c +++ b/sound/firewire/fireface/ff-transaction.c @@ -21,7 +21,7 @@ static void finish_transmit_midi_msg(struct snd_ff *ff, unsigned int port, if (rcode != RCODE_COMPLETE) { /* Transfer the message again, immediately. */ - ff->next_ktime[port] = ktime_set(0, 0); + ff->next_ktime[port] = 0; schedule_work(&ff->rx_midi_work[port]); return; } diff --git a/sound/firewire/lib.c b/sound/firewire/lib.c index 7683238283b6..39dfa74906ef 100644 --- a/sound/firewire/lib.c +++ b/sound/firewire/lib.c @@ -99,147 +99,6 @@ void snd_fw_schedule_registration(struct fw_unit *unit, } EXPORT_SYMBOL(snd_fw_schedule_registration); -static void async_midi_port_callback(struct fw_card *card, int rcode, - void *data, size_t length, - void *callback_data) -{ - struct snd_fw_async_midi_port *port = callback_data; - struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream); - - /* This port is closed. */ - if (substream == NULL) - return; - - if (rcode == RCODE_COMPLETE) - snd_rawmidi_transmit_ack(substream, port->consume_bytes); - else if (!rcode_is_permanent_error(rcode)) - /* To start next transaction immediately for recovery. */ - port->next_ktime = 0; - else - /* Don't continue processing. */ - port->error = true; - - port->idling = true; - - if (!snd_rawmidi_transmit_empty(substream)) - schedule_work(&port->work); -} - -static void midi_port_work(struct work_struct *work) -{ - struct snd_fw_async_midi_port *port = - container_of(work, struct snd_fw_async_midi_port, work); - struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream); - int generation; - int type; - - /* Under transacting or error state. */ - if (!port->idling || port->error) - return; - - /* Nothing to do. */ - if (substream == NULL || snd_rawmidi_transmit_empty(substream)) - return; - - /* Do it in next chance. */ - if (ktime_after(port->next_ktime, ktime_get())) { - schedule_work(&port->work); - return; - } - - /* - * Fill the buffer. The callee must use snd_rawmidi_transmit_peek(). - * Later, snd_rawmidi_transmit_ack() is called. - */ - memset(port->buf, 0, port->len); - port->consume_bytes = port->fill(substream, port->buf); - if (port->consume_bytes <= 0) { - /* Do it in next chance, immediately. */ - if (port->consume_bytes == 0) { - port->next_ktime = 0; - schedule_work(&port->work); - } else { - /* Fatal error. */ - port->error = true; - } - return; - } - - /* Calculate type of transaction. */ - if (port->len == 4) - type = TCODE_WRITE_QUADLET_REQUEST; - else - type = TCODE_WRITE_BLOCK_REQUEST; - - /* Set interval to next transaction. */ - port->next_ktime = ktime_add_ns(ktime_get(), - port->consume_bytes * 8 * NSEC_PER_SEC / 31250); - - /* Start this transaction. */ - port->idling = false; - - /* - * In Linux FireWire core, when generation is updated with memory - * barrier, node id has already been updated. In this module, After - * this smp_rmb(), load/store instructions to memory are completed. - * Thus, both of generation and node id are available with recent - * values. This is a light-serialization solution to handle bus reset - * events on IEEE 1394 bus. - */ - generation = port->parent->generation; - smp_rmb(); - - fw_send_request(port->parent->card, &port->transaction, type, - port->parent->node_id, generation, - port->parent->max_speed, port->addr, - port->buf, port->len, async_midi_port_callback, - port); -} - -/** - * snd_fw_async_midi_port_init - initialize asynchronous MIDI port structure - * @port: the asynchronous MIDI port to initialize - * @unit: the target of the asynchronous transaction - * @addr: the address to which transactions are transferred - * @len: the length of transaction - * @fill: the callback function to fill given buffer, and returns the - * number of consumed bytes for MIDI message. - * - */ -int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port, - struct fw_unit *unit, u64 addr, unsigned int len, - snd_fw_async_midi_port_fill fill) -{ - port->len = DIV_ROUND_UP(len, 4) * 4; - port->buf = kzalloc(port->len, GFP_KERNEL); - if (port->buf == NULL) - return -ENOMEM; - - port->parent = fw_parent_device(unit); - port->addr = addr; - port->fill = fill; - port->idling = true; - port->next_ktime = 0; - port->error = false; - - INIT_WORK(&port->work, midi_port_work); - - return 0; -} -EXPORT_SYMBOL(snd_fw_async_midi_port_init); - -/** - * snd_fw_async_midi_port_destroy - free asynchronous MIDI port structure - * @port: the asynchronous MIDI port structure - */ -void snd_fw_async_midi_port_destroy(struct snd_fw_async_midi_port *port) -{ - snd_fw_async_midi_port_finish(port); - cancel_work_sync(&port->work); - kfree(port->buf); -} -EXPORT_SYMBOL(snd_fw_async_midi_port_destroy); - MODULE_DESCRIPTION("FireWire audio helper functions"); MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); MODULE_LICENSE("GPL v2"); diff --git a/sound/firewire/lib.h b/sound/firewire/lib.h index f6769312ebfc..eef70922ed89 100644 --- a/sound/firewire/lib.h +++ b/sound/firewire/lib.h @@ -25,58 +25,4 @@ static inline bool rcode_is_permanent_error(int rcode) void snd_fw_schedule_registration(struct fw_unit *unit, struct delayed_work *dwork); -struct snd_fw_async_midi_port; -typedef int (*snd_fw_async_midi_port_fill)( - struct snd_rawmidi_substream *substream, - u8 *buf); - -struct snd_fw_async_midi_port { - struct fw_device *parent; - struct work_struct work; - bool idling; - ktime_t next_ktime; - bool error; - - u64 addr; - struct fw_transaction transaction; - - u8 *buf; - unsigned int len; - - struct snd_rawmidi_substream *substream; - snd_fw_async_midi_port_fill fill; - unsigned int consume_bytes; -}; - -int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port, - struct fw_unit *unit, u64 addr, unsigned int len, - snd_fw_async_midi_port_fill fill); -void snd_fw_async_midi_port_destroy(struct snd_fw_async_midi_port *port); - -/** - * snd_fw_async_midi_port_run - run transactions for the async MIDI port - * @port: the asynchronous MIDI port - * @substream: the MIDI substream - */ -static inline void -snd_fw_async_midi_port_run(struct snd_fw_async_midi_port *port, - struct snd_rawmidi_substream *substream) -{ - if (!port->error) { - port->substream = substream; - schedule_work(&port->work); - } -} - -/** - * snd_fw_async_midi_port_finish - finish the asynchronous MIDI port - * @port: the asynchronous MIDI port - */ -static inline void -snd_fw_async_midi_port_finish(struct snd_fw_async_midi_port *port) -{ - port->substream = NULL; - port->error = false; -} - #endif diff --git a/sound/firewire/motu/Makefile b/sound/firewire/motu/Makefile index ae84ae61d274..728f586e754b 100644 --- a/sound/firewire/motu/Makefile +++ b/sound/firewire/motu/Makefile @@ -1,3 +1,5 @@ +CFLAGS_amdtp-motu.o := -I$(src) + snd-firewire-motu-objs := motu.o amdtp-motu.o motu-transaction.o motu-stream.o \ motu-proc.o motu-pcm.o motu-midi.o motu-hwdep.o \ motu-protocol-v2.o motu-protocol-v3.o diff --git a/sound/firewire/motu/amdtp-motu-trace.h b/sound/firewire/motu/amdtp-motu-trace.h new file mode 100644 index 000000000000..cd0cbfa9f96f --- /dev/null +++ b/sound/firewire/motu/amdtp-motu-trace.h @@ -0,0 +1,123 @@ +/* + * amdtp-motu-trace.h - tracepoint definitions to dump a part of packet data + * + * Copyright (c) 2017 Takashi Sakamoto + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM snd_firewire_motu + +#if !defined(_SND_FIREWIRE_MOTU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _SND_FIREWIRE_MOTU_TRACE_H + +#include <linux/tracepoint.h> + +static void copy_sph(u32 *frame, __be32 *buffer, unsigned int data_blocks, + unsigned int data_block_quadlets); +static void copy_message(u64 *frames, __be32 *buffer, unsigned int data_blocks, + unsigned int data_block_quadlets); + +TRACE_EVENT(in_data_block_sph, + TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer), + TP_ARGS(s, data_blocks, buffer), + TP_STRUCT__entry( + __field(int, src) + __field(int, dst) + __field(unsigned int, data_blocks) + __dynamic_array(u32, tstamps, data_blocks) + ), + TP_fast_assign( + __entry->src = fw_parent_device(s->unit)->node_id; + __entry->dst = fw_parent_device(s->unit)->card->node_id; + __entry->data_blocks = data_blocks; + copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets); + ), + TP_printk( + "%04x %04x %u %s", + __entry->src, + __entry->dst, + __entry->data_blocks, + __print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4) + ) +); + +TRACE_EVENT(out_data_block_sph, + TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer), + TP_ARGS(s, data_blocks, buffer), + TP_STRUCT__entry( + __field(int, src) + __field(int, dst) + __field(unsigned int, data_blocks) + __dynamic_array(u32, tstamps, data_blocks) + ), + TP_fast_assign( + __entry->src = fw_parent_device(s->unit)->card->node_id; + __entry->dst = fw_parent_device(s->unit)->node_id; + __entry->data_blocks = data_blocks; + copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets); + ), + TP_printk( + "%04x %04x %u %s", + __entry->src, + __entry->dst, + __entry->data_blocks, + __print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4) + ) +); + +TRACE_EVENT(in_data_block_message, + TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer), + TP_ARGS(s, data_blocks, buffer), + TP_STRUCT__entry( + __field(int, src) + __field(int, dst) + __field(unsigned int, data_blocks) + __dynamic_array(u64, messages, data_blocks) + ), + TP_fast_assign( + __entry->src = fw_parent_device(s->unit)->node_id; + __entry->dst = fw_parent_device(s->unit)->card->node_id; + __entry->data_blocks = data_blocks; + copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets); + ), + TP_printk( + "%04x %04x %u %s", + __entry->src, + __entry->dst, + __entry->data_blocks, + __print_array(__get_dynamic_array(messages), __entry->data_blocks, 8) + ) +); + +TRACE_EVENT(out_data_block_message, + TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer), + TP_ARGS(s, data_blocks, buffer), + TP_STRUCT__entry( + __field(int, src) + __field(int, dst) + __field(unsigned int, data_blocks) + __dynamic_array(u64, messages, data_blocks) + ), + TP_fast_assign( + __entry->src = fw_parent_device(s->unit)->card->node_id; + __entry->dst = fw_parent_device(s->unit)->node_id; + __entry->data_blocks = data_blocks; + copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets); + ), + TP_printk( + "%04x %04x %u %s", + __entry->src, + __entry->dst, + __entry->data_blocks, + __print_array(__get_dynamic_array(messages), __entry->data_blocks, 8) + ) +); + +#endif + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE amdtp-motu-trace +#include <trace/define_trace.h> diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c index 08bd1760b1b4..96f0091144bb 100644 --- a/sound/firewire/motu/amdtp-motu.c +++ b/sound/firewire/motu/amdtp-motu.c @@ -10,6 +10,9 @@ #include <sound/pcm.h> #include "motu.h" +#define CREATE_TRACE_POINTS +#include "amdtp-motu-trace.h" + #define CIP_FMT_MOTU 0x02 #define CIP_FMT_MOTU_TX_V3 0x22 #define MOTU_FDF_AM824 0x22 @@ -264,6 +267,36 @@ static void read_midi_messages(struct amdtp_stream *s, __be32 *buffer, } } +/* For tracepoints. */ +static void __maybe_unused copy_sph(u32 *frames, __be32 *buffer, + unsigned int data_blocks, + unsigned int data_block_quadlets) +{ + unsigned int i; + + for (i = 0; i < data_blocks; ++i) { + *frames = be32_to_cpu(*buffer); + buffer += data_block_quadlets; + frames++; + } +} + +/* For tracepoints. */ +static void __maybe_unused copy_message(u64 *frames, __be32 *buffer, + unsigned int data_blocks, + unsigned int data_block_quadlets) +{ + unsigned int i; + + /* This is just for v2/v3 protocol. */ + for (i = 0; i < data_blocks; ++i) { + *frames = (be32_to_cpu(buffer[1]) << 16) | + (be32_to_cpu(buffer[2]) >> 16); + buffer += data_block_quadlets; + frames++; + } +} + static unsigned int process_tx_data_blocks(struct amdtp_stream *s, __be32 *buffer, unsigned int data_blocks, unsigned int *syt) @@ -271,6 +304,9 @@ static unsigned int process_tx_data_blocks(struct amdtp_stream *s, struct amdtp_motu *p = s->protocol; struct snd_pcm_substream *pcm; + trace_in_data_block_sph(s, data_blocks, buffer); + trace_in_data_block_message(s, data_blocks, buffer); + if (p->midi_ports) read_midi_messages(s, buffer, data_blocks); @@ -346,6 +382,9 @@ static unsigned int process_rx_data_blocks(struct amdtp_stream *s, write_sph(s, buffer, data_blocks); + trace_out_data_block_sph(s, data_blocks, buffer); + trace_out_data_block_message(s, data_blocks, buffer); + return data_blocks; } diff --git a/sound/firewire/tascam/tascam-midi.c b/sound/firewire/tascam/tascam-midi.c index df4f95d65925..4a741570d536 100644 --- a/sound/firewire/tascam/tascam-midi.c +++ b/sound/firewire/tascam/tascam-midi.c @@ -18,9 +18,8 @@ static int midi_playback_open(struct snd_rawmidi_substream *substream) { struct snd_tscm *tscm = substream->rmidi->private_data; - /* Initialize internal status. */ - tscm->running_status[substream->number] = 0; - tscm->on_sysex[substream->number] = 0; + snd_fw_async_midi_port_init(&tscm->out_ports[substream->number]); + return 0; } @@ -32,11 +31,14 @@ static int midi_capture_close(struct snd_rawmidi_substream *substream) static int midi_playback_close(struct snd_rawmidi_substream *substream) { + return 0; +} + +static void midi_playback_drain(struct snd_rawmidi_substream *substream) +{ struct snd_tscm *tscm = substream->rmidi->private_data; snd_fw_async_midi_port_finish(&tscm->out_ports[substream->number]); - - return 0; } static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up) @@ -78,6 +80,7 @@ int snd_tscm_create_midi_devices(struct snd_tscm *tscm) static const struct snd_rawmidi_ops playback_ops = { .open = midi_playback_open, .close = midi_playback_close, + .drain = midi_playback_drain, .trigger = midi_playback_trigger, }; struct snd_rawmidi *rmidi; diff --git a/sound/firewire/tascam/tascam-transaction.c b/sound/firewire/tascam/tascam-transaction.c index 040a96d1ba8e..8967c52f5032 100644 --- a/sound/firewire/tascam/tascam-transaction.c +++ b/sound/firewire/tascam/tascam-transaction.c @@ -58,39 +58,38 @@ static inline int calculate_message_bytes(u8 status) return -EINVAL; } -static int fill_message(struct snd_rawmidi_substream *substream, u8 *buf) +static int fill_message(struct snd_fw_async_midi_port *port, + struct snd_rawmidi_substream *substream) { - struct snd_tscm *tscm = substream->rmidi->private_data; - unsigned int port = substream->number; int i, len, consume; u8 *label, *msg; u8 status; /* The first byte is used for label, the rest for MIDI bytes. */ - label = buf; - msg = buf + 1; + label = port->buf; + msg = port->buf + 1; consume = snd_rawmidi_transmit_peek(substream, msg, 3); if (consume == 0) return 0; /* On exclusive message. */ - if (tscm->on_sysex[port]) { + if (port->on_sysex) { /* Seek the end of exclusives. */ for (i = 0; i < consume; ++i) { if (msg[i] == 0xf7) { - tscm->on_sysex[port] = false; + port->on_sysex = false; break; } } /* At the end of exclusive message, use label 0x07. */ - if (!tscm->on_sysex[port]) { + if (!port->on_sysex) { consume = i + 1; - *label = (port << 4) | 0x07; + *label = (substream->number << 4) | 0x07; /* During exclusive message, use label 0x04. */ } else if (consume == 3) { - *label = (port << 4) | 0x04; + *label = (substream->number << 4) | 0x04; /* We need to fill whole 3 bytes. Go to next change. */ } else { return 0; @@ -101,12 +100,12 @@ static int fill_message(struct snd_rawmidi_substream *substream, u8 *buf) /* The beginning of exclusives. */ if (msg[0] == 0xf0) { /* Transfer it in next chance in another condition. */ - tscm->on_sysex[port] = true; + port->on_sysex = true; return 0; } else { /* On running-status. */ if ((msg[0] & 0x80) != 0x80) - status = tscm->running_status[port]; + status = port->running_status; else status = msg[0]; @@ -124,18 +123,18 @@ static int fill_message(struct snd_rawmidi_substream *substream, u8 *buf) msg[2] = msg[1]; msg[1] = msg[0]; - msg[0] = tscm->running_status[port]; + msg[0] = port->running_status; } else { /* Enough MIDI bytes were not retrieved. */ if (consume < len) return 0; consume = len; - tscm->running_status[port] = msg[0]; + port->running_status = msg[0]; } } - *label = (port << 4) | (msg[0] >> 4); + *label = (substream->number << 4) | (msg[0] >> 4); } if (len > 0 && len < 3) @@ -144,6 +143,106 @@ static int fill_message(struct snd_rawmidi_substream *substream, u8 *buf) return consume; } +static void async_midi_port_callback(struct fw_card *card, int rcode, + void *data, size_t length, + void *callback_data) +{ + struct snd_fw_async_midi_port *port = callback_data; + struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream); + + /* This port is closed. */ + if (substream == NULL) + return; + + if (rcode == RCODE_COMPLETE) + snd_rawmidi_transmit_ack(substream, port->consume_bytes); + else if (!rcode_is_permanent_error(rcode)) + /* To start next transaction immediately for recovery. */ + port->next_ktime = 0; + else + /* Don't continue processing. */ + port->error = true; + + port->idling = true; + + if (!snd_rawmidi_transmit_empty(substream)) + schedule_work(&port->work); +} + +static void midi_port_work(struct work_struct *work) +{ + struct snd_fw_async_midi_port *port = + container_of(work, struct snd_fw_async_midi_port, work); + struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream); + int generation; + + /* Under transacting or error state. */ + if (!port->idling || port->error) + return; + + /* Nothing to do. */ + if (substream == NULL || snd_rawmidi_transmit_empty(substream)) + return; + + /* Do it in next chance. */ + if (ktime_after(port->next_ktime, ktime_get())) { + schedule_work(&port->work); + return; + } + + /* + * Fill the buffer. The callee must use snd_rawmidi_transmit_peek(). + * Later, snd_rawmidi_transmit_ack() is called. + */ + memset(port->buf, 0, 4); + port->consume_bytes = fill_message(port, substream); + if (port->consume_bytes <= 0) { + /* Do it in next chance, immediately. */ + if (port->consume_bytes == 0) { + port->next_ktime = 0; + schedule_work(&port->work); + } else { + /* Fatal error. */ + port->error = true; + } + return; + } + + /* Set interval to next transaction. */ + port->next_ktime = ktime_add_ns(ktime_get(), + port->consume_bytes * 8 * NSEC_PER_SEC / 31250); + + /* Start this transaction. */ + port->idling = false; + + /* + * In Linux FireWire core, when generation is updated with memory + * barrier, node id has already been updated. In this module, After + * this smp_rmb(), load/store instructions to memory are completed. + * Thus, both of generation and node id are available with recent + * values. This is a light-serialization solution to handle bus reset + * events on IEEE 1394 bus. + */ + generation = port->parent->generation; + smp_rmb(); + + fw_send_request(port->parent->card, &port->transaction, + TCODE_WRITE_QUADLET_REQUEST, + port->parent->node_id, generation, + port->parent->max_speed, + TSCM_ADDR_BASE + TSCM_OFFSET_MIDI_RX_QUAD, + port->buf, 4, async_midi_port_callback, + port); +} + +void snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port) +{ + port->idling = true; + port->error = false; + port->running_status = 0; + port->on_sysex = false; +} + static void handle_midi_tx(struct fw_card *card, struct fw_request *request, int tcode, int destination, int source, int generation, unsigned long long offset, @@ -219,12 +318,9 @@ int snd_tscm_transaction_register(struct snd_tscm *tscm) goto error; for (i = 0; i < TSCM_MIDI_OUT_PORT_MAX; i++) { - err = snd_fw_async_midi_port_init( - &tscm->out_ports[i], tscm->unit, - TSCM_ADDR_BASE + TSCM_OFFSET_MIDI_RX_QUAD, - 4, fill_message); - if (err < 0) - goto error; + tscm->out_ports[i].parent = fw_parent_device(tscm->unit); + tscm->out_ports[i].next_ktime = 0; + INIT_WORK(&tscm->out_ports[i].work, midi_port_work); } return err; @@ -275,7 +371,6 @@ int snd_tscm_transaction_reregister(struct snd_tscm *tscm) void snd_tscm_transaction_unregister(struct snd_tscm *tscm) { __be32 reg; - unsigned int i; if (tscm->async_handler.callback_data == NULL) return; @@ -302,7 +397,4 @@ void snd_tscm_transaction_unregister(struct snd_tscm *tscm) fw_core_remove_address_handler(&tscm->async_handler); tscm->async_handler.callback_data = NULL; - - for (i = 0; i < TSCM_MIDI_OUT_PORT_MAX; i++) - snd_fw_async_midi_port_destroy(&tscm->out_ports[i]); } diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h index d3cd4065722b..08ecfae5c584 100644 --- a/sound/firewire/tascam/tascam.h +++ b/sound/firewire/tascam/tascam.h @@ -45,6 +45,23 @@ struct snd_tscm_spec { #define TSCM_MIDI_IN_PORT_MAX 4 #define TSCM_MIDI_OUT_PORT_MAX 4 +struct snd_fw_async_midi_port { + struct fw_device *parent; + struct work_struct work; + bool idling; + ktime_t next_ktime; + bool error; + + struct fw_transaction transaction; + + u8 buf[4]; + u8 running_status; + bool on_sysex; + + struct snd_rawmidi_substream *substream; + int consume_bytes; +}; + struct snd_tscm { struct snd_card *card; struct fw_unit *unit; @@ -72,8 +89,6 @@ struct snd_tscm { /* For MIDI message outgoing transactions. */ struct snd_fw_async_midi_port out_ports[TSCM_MIDI_OUT_PORT_MAX]; - u8 running_status[TSCM_MIDI_OUT_PORT_MAX]; - bool on_sysex[TSCM_MIDI_OUT_PORT_MAX]; }; #define TSCM_ADDR_BASE 0xffff00000000ull @@ -131,6 +146,26 @@ void snd_tscm_stream_lock_changed(struct snd_tscm *tscm); int snd_tscm_stream_lock_try(struct snd_tscm *tscm); void snd_tscm_stream_lock_release(struct snd_tscm *tscm); +void snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port); + +static inline void +snd_fw_async_midi_port_run(struct snd_fw_async_midi_port *port, + struct snd_rawmidi_substream *substream) +{ + if (!port->error) { + port->substream = substream; + schedule_work(&port->work); + } +} + +static inline void +snd_fw_async_midi_port_finish(struct snd_fw_async_midi_port *port) +{ + port->substream = NULL; + cancel_work_sync(&port->work); + port->error = false; +} + int snd_tscm_transaction_register(struct snd_tscm *tscm); int snd_tscm_transaction_reregister(struct snd_tscm *tscm); void snd_tscm_transaction_unregister(struct snd_tscm *tscm); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 59ab34fa0bc8..b786fbab029f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -370,8 +370,10 @@ enum { #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71) #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0) #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_GLK(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x3198) #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \ - IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci) + IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci) || \ + IS_GLK(pci) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 69266b8ea2ad..e8253737c47a 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -52,6 +52,12 @@ struct conexant_spec { bool dc_enable; unsigned int dc_input_bias; /* offset into olpc_xo_dc_bias */ struct nid_path *dc_mode_path; + + int mute_led_polarity; + unsigned int gpio_led; + unsigned int gpio_mute_led_mask; + unsigned int gpio_mic_led_mask; + }; @@ -264,6 +270,7 @@ enum { CXT_FIXUP_HP_DOCK, CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, + CXT_FIXUP_MUTE_LED_GPIO, }; /* for hda_fixup_thinkpad_acpi() */ @@ -646,6 +653,74 @@ static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec, snd_hda_jack_set_gating_jack(codec, 0x19, 0x16); } +/* update LED status via GPIO */ +static void cxt_update_gpio_led(struct hda_codec *codec, unsigned int mask, + bool enabled) +{ + struct conexant_spec *spec = codec->spec; + unsigned int oldval = spec->gpio_led; + + if (spec->mute_led_polarity) + enabled = !enabled; + + if (enabled) + spec->gpio_led &= ~mask; + else + spec->gpio_led |= mask; + if (spec->gpio_led != oldval) + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, + spec->gpio_led); +} + +/* turn on/off mute LED via GPIO per vmaster hook */ +static void cxt_fixup_gpio_mute_hook(void *private_data, int enabled) +{ + struct hda_codec *codec = private_data; + struct conexant_spec *spec = codec->spec; + + cxt_update_gpio_led(codec, spec->gpio_mute_led_mask, enabled); +} + +/* turn on/off mic-mute LED via GPIO per capture hook */ +static void cxt_fixup_gpio_mic_mute_hook(struct hda_codec *codec, + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct conexant_spec *spec = codec->spec; + + if (ucontrol) + cxt_update_gpio_led(codec, spec->gpio_mic_led_mask, + ucontrol->value.integer.value[0] || + ucontrol->value.integer.value[1]); +} + + +static void cxt_fixup_mute_led_gpio(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct conexant_spec *spec = codec->spec; + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x03 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x03 }, + {} + }; + codec_info(codec, "action: %d gpio_led: %d\n", action, spec->gpio_led); + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gen.vmaster_mute.hook = cxt_fixup_gpio_mute_hook; + spec->gen.cap_sync_hook = cxt_fixup_gpio_mic_mute_hook; + spec->gpio_led = 0; + spec->mute_led_polarity = 0; + spec->gpio_mute_led_mask = 0x01; + spec->gpio_mic_led_mask = 0x02; + } + snd_hda_add_verbs(codec, gpio_init); + if (spec->gpio_led) + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, + spec->gpio_led); +} + + /* ThinkPad X200 & co with cxt5051 */ static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = { { 0x16, 0x042140ff }, /* HP (seq# overridden) */ @@ -799,6 +874,10 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_hp_gate_mic_jack, }, + [CXT_FIXUP_MUTE_LED_GPIO] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_mute_led_gpio, + }, }; static const struct snd_pci_quirk cxt5045_fixups[] = { @@ -851,6 +930,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), + SND_PCI_QUIRK(0x103c, 0x814f, "HP ZBook 15u G3", CXT_FIXUP_MUTE_LED_GPIO), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), @@ -882,6 +962,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" }, { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" }, { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" }, + { .id = CXT_FIXUP_MUTE_LED_GPIO, .name = "mute-led-gpio" }, {} }; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 37f11560186a..90e4ff87445e 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -177,6 +177,7 @@ struct hdmi_spec { bool i915_bound; /* was i915 bound in this driver? */ struct hdac_chmap chmap; + hda_nid_t vendor_nid; }; #ifdef CONFIG_SND_HDA_I915 @@ -2372,6 +2373,7 @@ static void intel_haswell_fixup_connect_list(struct hda_codec *codec, } #define INTEL_VENDOR_NID 0x08 +#define INTEL_GLK_VENDOR_NID 0x0B #define INTEL_GET_VENDOR_VERB 0xf81 #define INTEL_SET_VENDOR_VERB 0x781 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ @@ -2381,14 +2383,15 @@ static void intel_haswell_enable_all_pins(struct hda_codec *codec, bool update_tree) { unsigned int vendor_param; + struct hdmi_spec *spec = codec->spec; - vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, + vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_GET_VENDOR_VERB, 0); if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) return; vendor_param |= INTEL_EN_ALL_PIN_CVTS; - vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, + vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_SET_VENDOR_VERB, vendor_param); if (vendor_param == -1) return; @@ -2400,8 +2403,9 @@ static void intel_haswell_enable_all_pins(struct hda_codec *codec, static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) { unsigned int vendor_param; + struct hdmi_spec *spec = codec->spec; - vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, + vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_GET_VENDOR_VERB, 0); if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) return; @@ -2409,7 +2413,7 @@ static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) /* enable DP1.2 mode */ vendor_param |= INTEL_EN_DP12; snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB); - snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0, + snd_hda_codec_write_cache(codec, spec->vendor_nid, 0, INTEL_SET_VENDOR_VERB, vendor_param); } @@ -2503,7 +2507,7 @@ static void i915_pin_cvt_fixup(struct hda_codec *codec, } /* Intel Haswell and onwards; audio component with eld notifier */ -static int patch_i915_hsw_hdmi(struct hda_codec *codec) +static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid) { struct hdmi_spec *spec; int err; @@ -2520,6 +2524,7 @@ static int patch_i915_hsw_hdmi(struct hda_codec *codec) spec = codec->spec; codec->dp_mst = true; spec->dyn_pcm_assign = true; + spec->vendor_nid = vendor_nid; intel_haswell_enable_all_pins(codec, true); intel_haswell_fixup_enable_dp12(codec); @@ -2548,6 +2553,16 @@ static int patch_i915_hsw_hdmi(struct hda_codec *codec) return 0; } +static int patch_i915_hsw_hdmi(struct hda_codec *codec) +{ + return intel_hsw_common_init(codec, INTEL_VENDOR_NID); +} + +static int patch_i915_glk_hdmi(struct hda_codec *codec) +{ + return intel_hsw_common_init(codec, INTEL_GLK_VENDOR_NID); +} + /* Intel Baytrail and Braswell; with eld notifier */ static int patch_i915_byt_hdmi(struct hda_codec *codec) { @@ -3800,7 +3815,7 @@ HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), -HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_hsw_hdmi), +HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 57eeefd36f19..93846bf65a23 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6873,6 +6873,7 @@ enum { ALC668_FIXUP_DELL_DISABLE_AAMIX, ALC668_FIXUP_DELL_XPS13, ALC662_FIXUP_ASUS_Nx50, + ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE, ALC668_FIXUP_ASUS_Nx51, ALC891_FIXUP_HEADSET_MODE, ALC891_FIXUP_DELL_MIC_NO_PRESENCE, @@ -7126,14 +7127,21 @@ static const struct hda_fixup alc662_fixups[] = { .chained = true, .chain_id = ALC662_FIXUP_BASS_1A }, + [ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_headset_mode_alc668, + .chain_id = ALC662_FIXUP_BASS_CHMAP + }, [ALC668_FIXUP_ASUS_Nx51] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { - {0x1a, 0x90170151}, /* bass speaker */ + { 0x19, 0x03a1913d }, /* use as headphone mic, without its own jack detect */ + { 0x1a, 0x90170151 }, /* bass speaker */ + { 0x1b, 0x03a1113c }, /* use as headset mic, without its own jack detect */ {} }, .chained = true, - .chain_id = ALC662_FIXUP_BASS_CHMAP, + .chain_id = ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE, }, [ALC891_FIXUP_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index fab53f58d447..b3854f8c0c67 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -430,7 +430,7 @@ static int snd_line6_control_playback_put(struct snd_kcontrol *kcontrol, } /* control definition */ -static struct snd_kcontrol_new line6_controls[] = { +static const struct snd_kcontrol_new line6_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Playback Volume", diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c index 17aa616e61f5..358224cc5638 100644 --- a/sound/usb/line6/pod.c +++ b/sound/usb/line6/pod.c @@ -380,7 +380,7 @@ static int snd_pod_control_monitor_put(struct snd_kcontrol *kcontrol, } /* control definition */ -static struct snd_kcontrol_new pod_control_monitor = { +static const struct snd_kcontrol_new pod_control_monitor = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitor Playback Volume", .index = 0, diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c index 8e22f430d700..ba7975c0d03d 100644 --- a/sound/usb/line6/toneport.c +++ b/sound/usb/line6/toneport.c @@ -250,7 +250,7 @@ static void toneport_start_pcm(unsigned long arg) } /* control definition */ -static struct snd_kcontrol_new toneport_control_monitor = { +static const struct snd_kcontrol_new toneport_control_monitor = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitor Playback Volume", .index = 0, @@ -261,7 +261,7 @@ static struct snd_kcontrol_new toneport_control_monitor = { }; /* source selector definition */ -static struct snd_kcontrol_new toneport_control_source = { +static const struct snd_kcontrol_new toneport_control_source = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Capture Source", .index = 0, diff --git a/sound/usb/midi.c b/sound/usb/midi.c index 6e763bc8d7db..a35f41467237 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -1922,7 +1922,7 @@ static int roland_load_put(struct snd_kcontrol *kcontrol, return changed; } -static struct snd_kcontrol_new roland_load_ctl = { +static const struct snd_kcontrol_new roland_load_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "MIDI Input Mode", .info = roland_load_info, diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 4703caea56b2..082736c539bc 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1172,7 +1172,7 @@ static struct snd_kcontrol_new usb_feature_unit_ctl = { }; /* the read-only variant */ -static struct snd_kcontrol_new usb_feature_unit_ctl_ro = { +static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later manually */ .info = mixer_ctl_feature_info, @@ -1745,7 +1745,7 @@ static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, } /* alsa control interface for processing/extension unit */ -static struct snd_kcontrol_new mixer_procunit_ctl = { +static const struct snd_kcontrol_new mixer_procunit_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later */ .info = mixer_ctl_feature_info, @@ -2033,7 +2033,7 @@ static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, } /* alsa control interface for selector unit */ -static struct snd_kcontrol_new mixer_selectunit_ctl = { +static const struct snd_kcontrol_new mixer_selectunit_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later */ .info = mixer_ctl_selector_info, diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index cf45bf1f7ee0..e118bdca983d 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -472,7 +472,7 @@ static int usb_stream_hwdep_new(struct snd_card *card) hw->ops.mmap = usb_stream_hwdep_mmap; hw->ops.poll = usb_stream_hwdep_poll; - sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", + sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); return 0; } diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 605e1047c01d..f4b3cda412fc 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -258,7 +258,7 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device) hw->ops.mmap = snd_us428ctls_mmap; hw->ops.poll = snd_us428ctls_poll; hw->exclusive = 1; - sprintf(hw->name, "/proc/bus/usb/%03d/%03d", device->bus->busnum, device->devnum); + sprintf(hw->name, "/dev/bus/usb/%03d/%03d", device->bus->busnum, device->devnum); return 0; } diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index f95164b91152..d51c7fd7835b 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -723,7 +723,7 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) hw->ops.release = snd_usX2Y_hwdep_pcm_release; hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap; hw->exclusive = 1; - sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); + sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); err = snd_pcm_new(card, NAME_ALLCAPS" hwdep Audio", 2, 1, 1, &pcm); if (err < 0) { |