diff options
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 095d9572ad2b..b03a638b420c 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -26,6 +26,7 @@ #include <linux/time.h> #include <linux/pm_qos.h> #include <linux/aio.h> +#include <linux/io.h> #include <linux/dma-mapping.h> #include <sound/core.h> #include <sound/control.h> @@ -34,7 +35,6 @@ #include <sound/pcm_params.h> #include <sound/timer.h> #include <sound/minors.h> -#include <asm/io.h> /* * Compatibility @@ -420,7 +420,8 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream, hw = &substream->runtime->hw; if (!params->info) { - params->info = hw->info & ~SNDRV_PCM_INFO_FIFO_IN_FRAMES; + params->info = hw->info & ~(SNDRV_PCM_INFO_FIFO_IN_FRAMES | + SNDRV_PCM_INFO_DRAIN_TRIGGER); if (!hw_support_mmap(substream)) params->info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID); @@ -719,8 +720,11 @@ int snd_pcm_status(struct snd_pcm_substream *substream, runtime->status->audio_tstamp; goto _tstamp_end; } + } else { + /* get tstamp only in fallback mode and only if enabled */ + if (runtime->tstamp_mode == SNDRV_PCM_TSTAMP_ENABLE) + snd_pcm_gettime(runtime, &status->tstamp); } - snd_pcm_gettime(runtime, &status->tstamp); _tstamp_end: status->appl_ptr = runtime->control->appl_ptr; status->hw_ptr = runtime->status->hw_ptr; @@ -806,7 +810,8 @@ static void snd_pcm_trigger_tstamp(struct snd_pcm_substream *substream) if (runtime->trigger_master == NULL) return; if (runtime->trigger_master == substream) { - snd_pcm_gettime(runtime, &runtime->trigger_tstamp); + if (!runtime->trigger_tstamp_latched) + snd_pcm_gettime(runtime, &runtime->trigger_tstamp); } else { snd_pcm_trigger_tstamp(runtime->trigger_master); runtime->trigger_tstamp = runtime->trigger_master->runtime->trigger_tstamp; @@ -975,6 +980,7 @@ static int snd_pcm_pre_start(struct snd_pcm_substream *substream, int state) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !snd_pcm_playback_data(substream)) return -EPIPE; + runtime->trigger_tstamp_latched = false; runtime->trigger_master = substream; return 0; } @@ -1566,6 +1572,13 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state) snd_pcm_post_stop(substream, new_state); } } + + if (runtime->status->state == SNDRV_PCM_STATE_DRAINING && + runtime->trigger_master == substream && + (runtime->hw.info & SNDRV_PCM_INFO_DRAIN_TRIGGER)) + return substream->ops->trigger(substream, + SNDRV_PCM_TRIGGER_DRAIN); + return 0; } |