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ALSA: line6: Make common PCM pointer callback

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Both playback and capture callbacks are identical, so let's merge
them.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-01-27 15:41:27 +01:00
parent 63e20df1e5
commit 2954f914f2
4 changed files with 12 additions and 20 deletions
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11
sound/usb/line6/capture.c
View File

@ -231,15 +231,6 @@ static int snd_line6_capture_close(struct snd_pcm_substream *substream)
return 0;
}
/* capture pointer callback */
static snd_pcm_uframes_t
snd_line6_capture_pointer(struct snd_pcm_substream *substream)
{
struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
return line6pcm->in.pos_done;
}
/* capture operators */
struct snd_pcm_ops snd_line6_capture_ops = {
.open = snd_line6_capture_open,
@ -249,7 +240,7 @@ struct snd_pcm_ops snd_line6_capture_ops = {
.hw_free = snd_line6_hw_free,
.prepare = snd_line6_prepare,
.trigger = snd_line6_trigger,
.pointer = snd_line6_capture_pointer,
.pointer = snd_line6_pointer,
};
int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm)

9
sound/usb/line6/pcm.c
View File

@ -266,6 +266,15 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
return 0;
}
/* common PCM pointer callback */
snd_pcm_uframes_t snd_line6_pointer(struct snd_pcm_substream *substream)
{
struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
struct line6_pcm_stream *pstr = get_stream(line6pcm, substream->stream);
return pstr->pos_done;
}
/* Acquire and start duplex streams:
* type is either LINE6_STREAM_IMPULSE or LINE6_STREAM_MONITOR
*/

1
sound/usb/line6/pcm.h
View File

@ -214,6 +214,7 @@ extern int snd_line6_prepare(struct snd_pcm_substream *substream);
extern int snd_line6_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params);
extern int snd_line6_hw_free(struct snd_pcm_substream *substream);
extern snd_pcm_uframes_t snd_line6_pointer(struct snd_pcm_substream *substream);
extern void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm);
extern int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type);
extern void line6_pcm_release(struct snd_line6_pcm *line6pcm, int type);

11
sound/usb/line6/playback.c
View File

@ -380,15 +380,6 @@ static int snd_line6_playback_close(struct snd_pcm_substream *substream)
return 0;
}
/* playback pointer callback */
static snd_pcm_uframes_t
snd_line6_playback_pointer(struct snd_pcm_substream *substream)
{
struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
return line6pcm->out.pos_done;
}
/* playback operators */
struct snd_pcm_ops snd_line6_playback_ops = {
.open = snd_line6_playback_open,
@ -398,7 +389,7 @@ struct snd_pcm_ops snd_line6_playback_ops = {
.hw_free = snd_line6_hw_free,
.prepare = snd_line6_prepare,
.trigger = snd_line6_trigger,
.pointer = snd_line6_playback_pointer,
.pointer = snd_line6_pointer,
};
int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm)