From d877681d2eab28ae2a7ff08bec9a6fe3b65973fb Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 15 Aug 2011 10:45:42 +0200 Subject: ALSA: hdspm - Simplify with snd_pcm_hw_constraint_pow2() Refactoring the code using snd_pcm_hw_constraint_pow2() helper function. Tested-by: Adrian Knoth Signed-off-by: Takashi Iwai --- sound/pci/rme9652/hdspm.c | 76 ++++++++++++++++------------------------------- 1 file changed, 25 insertions(+), 51 deletions(-) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 4add485e6b1..214110d6a2b 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -5705,19 +5705,6 @@ static int snd_hdspm_prepare(struct snd_pcm_substream *substream) return 0; } -static unsigned int period_sizes_old[] = { - 64, 128, 256, 512, 1024, 2048, 4096, 8192 -}; - -static unsigned int period_sizes_new[] = { - 64, 128, 256, 512, 1024, 2048, 4096, 32 -}; - -/* RayDAT and AIO always have a buffer of 16384 samples per channel */ -static unsigned int raydat_aio_buffer_sizes[] = { - 16384 -}; - static struct snd_pcm_hardware snd_hdspm_playback_subinfo = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | @@ -5768,24 +5755,6 @@ static struct snd_pcm_hardware snd_hdspm_capture_subinfo = { .fifo_size = 0 }; -static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes_old = { - .count = ARRAY_SIZE(period_sizes_old), - .list = period_sizes_old, - .mask = 0 -}; - -static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes_new = { - .count = ARRAY_SIZE(period_sizes_new), - .list = period_sizes_new, - .mask = 0 -}; - -static struct snd_pcm_hw_constraint_list hw_constraints_raydat_io_buffer = { - .count = ARRAY_SIZE(raydat_aio_buffer_sizes), - .list = raydat_aio_buffer_sizes, - .mask = 0 -}; - static int snd_hdspm_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { @@ -5986,23 +5955,25 @@ static int snd_hdspm_playback_open(struct snd_pcm_substream *substream) spin_unlock_irq(&hdspm->lock); snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); switch (hdspm->io_type) { case AIO: case RayDAT: - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - &hw_constraints_period_sizes_new); - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_BUFFER_SIZE, - &hw_constraints_raydat_io_buffer); - + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + 32, 4096); + /* RayDAT & AIO have a fixed buffer of 16384 samples per channel */ + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + 16384, 16384); break; default: - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - &hw_constraints_period_sizes_old); + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + 64, 8192); + break; } if (AES32 == hdspm->io_type) { @@ -6059,21 +6030,24 @@ static int snd_hdspm_capture_open(struct snd_pcm_substream *substream) spin_unlock_irq(&hdspm->lock); snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); + switch (hdspm->io_type) { case AIO: case RayDAT: - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - &hw_constraints_period_sizes_new); - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_BUFFER_SIZE, - &hw_constraints_raydat_io_buffer); - break; + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + 32, 4096); + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + 16384, 16384); + break; default: - snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - &hw_constraints_period_sizes_old); + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + 64, 8192); + break; } if (AES32 == hdspm->io_type) { -- cgit v1.2.3