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ALSA: fireworks: code refactoring for pcm.hw_params/hw_free

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Two sets of callbacks for pcm.hw_params/hw_free but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-06-12 17:44:10 +09:00 committed by Takashi Iwai
parent add147ad55
commit fb56eb73c6
1 changed files with 6 additions and 39 deletions
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45
sound/firewire/fireworks/fireworks_pcm.c
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@ -219,7 +219,7 @@ static int pcm_close(struct snd_pcm_substream *substream)
return 0;
}
static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
static int pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_efw *efw = substream->private_data;
@ -238,41 +238,8 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_efw *efw = 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) {
mutex_lock(&efw->mutex);
++efw->substreams_counter;
mutex_unlock(&efw->mutex);
}
return 0;
}
static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
{
struct snd_efw *efw = substream->private_data;
if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
mutex_lock(&efw->mutex);
--efw->substreams_counter;
mutex_unlock(&efw->mutex);
}
snd_efw_stream_stop_duplex(efw);
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_efw *efw = substream->private_data;
@ -378,8 +345,8 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw)
.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,
@ -390,8 +357,8 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw)
.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,