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rate: dynamic update avail_min on slave

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Signed-off-by: Andreas Pape <apape@de.adit-jv.com>
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Andreas Pape 2016-12-19 12:37:51 +09:00 • committed by Takashi Iwai
parent 88e4ae27bb
commit ff1f669df4
3 changed files with 6 additions and 3 deletions
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4
src/pcm/pcm_plugin.c
View file

@ -535,8 +535,8 @@ static int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
return 0;
}
static int snd_pcm_plugin_may_wait_for_avail_min(snd_pcm_t *pcm,
snd_pcm_uframes_t avail)
int snd_pcm_plugin_may_wait_for_avail_min(snd_pcm_t *pcm,
snd_pcm_uframes_t avail)
{
if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&

3
src/pcm/pcm_plugin.h
View file

@ -50,6 +50,8 @@ typedef struct {
/* make local functions really local */
#define snd_pcm_plugin_init \
snd1_pcm_plugin_init
#define snd_pcm_plugin_may_wait_for_avail_min \
snd1_pcm_plugin_may_wait_for_avail_min
#define snd_pcm_plugin_fast_ops \
snd1_pcm_plugin_fast_ops
#define snd_pcm_plugin_undo_read_generic \
@ -64,6 +66,7 @@ typedef struct {
void snd_pcm_plugin_init(snd_pcm_plugin_t *plugin);
snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
snd_pcm_sframes_t snd_pcm_plugin_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
int snd_pcm_plugin_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail);
extern const snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops;

2
src/pcm/pcm_rate.c
View file

@ -1213,7 +1213,7 @@ static const snd_pcm_fast_ops_t snd_pcm_rate_fast_ops = {
.poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
.poll_descriptors = snd_pcm_generic_poll_descriptors,
.poll_revents = snd_pcm_rate_poll_revents,
.may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
.may_wait_for_avail_min = snd_pcm_plugin_may_wait_for_avail_min,
};
static const snd_pcm_ops_t snd_pcm_rate_ops = {