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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-06-11 22:21:18 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2019-06-11 16:02:11 +0200 |
| commit | 4dbf4f44cf8363603cb7e205620aec7255d3508c (patch) | |
| tree | a84d9417c3221f5bc2c623c1a5f74f16e700850a /sound/firewire | |
| parent | ALSA: dice: update isochronous resources when starting packet streaming after bus-reset (diff) | |
| download | linux-dev-4dbf4f44cf8363603cb7e205620aec7255d3508c.tar.xz linux-dev-4dbf4f44cf8363603cb7e205620aec7255d3508c.zip | |
ALSA: dice: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.
This commit unifies the pairs.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire')
| -rw-r--r-- | sound/firewire/dice/dice-pcm.c | 54 |
1 files changed, 7 insertions, 47 deletions
diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c index 6c7a6b7ed743..00b55dfc3b2c 100644 --- a/sound/firewire/dice/dice-pcm.c +++ b/sound/firewire/dice/dice-pcm.c @@ -231,8 +231,8 @@ static int pcm_close(struct snd_pcm_substream *substream) return 0; } -static int capture_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) +static int pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { struct snd_dice *dice = substream->private_data; int err; @@ -254,48 +254,8 @@ static int capture_hw_params(struct snd_pcm_substream *substream, return err; } -static int playback_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_dice *dice = substream->private_data; - int err; - - err = snd_pcm_lib_alloc_vmalloc_buffer(substream, - params_buffer_bytes(hw_params)); - if (err < 0) - return err; - - if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) { - unsigned int rate = params_rate(hw_params); - - mutex_lock(&dice->mutex); - err = snd_dice_stream_reserve_duplex(dice, rate); - if (err >= 0) - ++dice->substreams_counter; - mutex_unlock(&dice->mutex); - } - - return err; -} - -static int capture_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_dice *dice = substream->private_data; - - mutex_lock(&dice->mutex); - - if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - --dice->substreams_counter; - - snd_dice_stream_stop_duplex(dice); - snd_dice_stream_release_duplex(dice); - - mutex_unlock(&dice->mutex); - - return snd_pcm_lib_free_vmalloc_buffer(substream); -} -static int playback_hw_free(struct snd_pcm_substream *substream) +static int pcm_hw_free(struct snd_pcm_substream *substream) { struct snd_dice *dice = substream->private_data; @@ -415,8 +375,8 @@ int snd_dice_create_pcm(struct snd_dice *dice) .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = capture_hw_params, - .hw_free = capture_hw_free, + .hw_params = pcm_hw_params, + .hw_free = pcm_hw_free, .prepare = capture_prepare, .trigger = capture_trigger, .pointer = capture_pointer, @@ -427,8 +387,8 @@ int snd_dice_create_pcm(struct snd_dice *dice) .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = playback_hw_params, - .hw_free = playback_hw_free, + .hw_params = pcm_hw_params, + .hw_free = pcm_hw_free, .prepare = playback_prepare, .trigger = playback_trigger, .pointer = playback_pointer, |