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author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-06-15 18:10:56 +0900 |
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committer | Takashi Iwai <tiwai@suse.de> | 2019-06-17 08:18:34 +0200 |
commit | f69fc17947f1035459ebc55bc24f9b805dffba3d (patch) | |
tree | 18a5293d519aa026b98d639bf795b71ec0bc3ffe /sound/firewire/bebob | |
parent | 9aa892d2c1a0aa4f4287aa1d922602ca0e9db990 (diff) | |
download | linux-f69fc17947f1035459ebc55bc24f9b805dffba3d.tar.gz linux-f69fc17947f1035459ebc55bc24f9b805dffba3d.tar.bz2 linux-f69fc17947f1035459ebc55bc24f9b805dffba3d.zip |
ALSA: bebob: code rafactoring for callback functions to PCM interface
The pairs of pcm.hw_params callback functions and .hw_free callback
functions 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/bebob')
-rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 55 |
1 files changed, 7 insertions, 48 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index 71b6ede31bb2..530db7a7844c 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -185,33 +185,8 @@ pcm_close(struct snd_pcm_substream *substream) return 0; } -static int -pcm_capture_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_bebob *bebob = 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(&bebob->mutex); - err = snd_bebob_stream_reserve_duplex(bebob, rate); - if (err >= 0) - ++bebob->substreams_counter; - mutex_unlock(&bebob->mutex); - } - - return err; -} -static int -pcm_playback_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_bebob *bebob = substream->private_data; int err; @@ -234,23 +209,7 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, return err; } -static int -pcm_capture_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_bebob *bebob = substream->private_data; - - if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) { - mutex_lock(&bebob->mutex); - bebob->substreams_counter--; - mutex_unlock(&bebob->mutex); - } - - snd_bebob_stream_stop_duplex(bebob); - - return snd_pcm_lib_free_vmalloc_buffer(substream); -} -static int -pcm_playback_hw_free(struct snd_pcm_substream *substream) +static int pcm_hw_free(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; @@ -360,8 +319,8 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = pcm_capture_hw_params, - .hw_free = pcm_capture_hw_free, + .hw_params = pcm_hw_params, + .hw_free = pcm_hw_free, .prepare = pcm_capture_prepare, .trigger = pcm_capture_trigger, .pointer = pcm_capture_pointer, @@ -372,8 +331,8 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = pcm_playback_hw_params, - .hw_free = pcm_playback_hw_free, + .hw_params = pcm_hw_params, + .hw_free = pcm_hw_free, .prepare = pcm_playback_prepare, .trigger = pcm_playback_trigger, .pointer = pcm_playback_pointer, |