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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-06-02 09:12:51 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-06-11 11:36:21 +0200 |
| commit | d8f291b7b84c4d5eb7a250a4f56cc44ed5bef3cf (patch) | |
| tree | 0b013268d1ce2d048700bb963fc2eecd5421f283 /sound/firewire/tascam | |
| parent | ALSA: firewire-tascam: minor code refactoring to finish streaming session (diff) | |
| download | linux-d8f291b7b84c4d5eb7a250a4f56cc44ed5bef3cf.tar.xz linux-d8f291b7b84c4d5eb7a250a4f56cc44ed5bef3cf.zip | |
ALSA: firewire-tascam: 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/tascam')
| -rw-r--r-- | sound/firewire/tascam/tascam-pcm.c | 55 |
1 files changed, 7 insertions, 48 deletions
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c index 962ef1212ac0..450711bef508 100644 --- a/sound/firewire/tascam/tascam-pcm.c +++ b/sound/firewire/tascam/tascam-pcm.c @@ -84,8 +84,8 @@ static int 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) +static int pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { struct snd_tscm *tscm = substream->private_data; int err; @@ -108,48 +108,7 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream, return err; } -static int pcm_playback_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_tscm *tscm = 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(&tscm->mutex); - err = snd_tscm_stream_reserve_duplex(tscm, rate); - if (err >= 0) - ++tscm->substreams_counter; - mutex_unlock(&tscm->mutex); - } - - return err; -} - -static int pcm_capture_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_tscm *tscm = substream->private_data; - - mutex_lock(&tscm->mutex); - - if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - --tscm->substreams_counter; - - snd_tscm_stream_stop_duplex(tscm); - snd_tscm_stream_release_duplex(tscm); - - mutex_unlock(&tscm->mutex); - - 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_tscm *tscm = substream->private_data; @@ -270,8 +229,8 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) .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, @@ -282,8 +241,8 @@ int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) .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, |