diff options
| author | Vinod Koul <vkoul@kernel.org> | 2020-06-18 19:33:46 +0530 |
|---|---|---|
| committer | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2020-06-29 17:15:43 +0100 |
| commit | 75ce77dd128cf662bf6ef63bc339b22423af9bbe (patch) | |
| tree | 348fe8dc7f3b6ab15ed7038b4db7f78d2f7b5713 | |
| parent | a7bcc13c227bf89638587d5d14af22af15176865 (diff) | |
ALSA: compress: fix partial_drain completion state
On partial_drain completion we should be in SNDRV_PCM_STATE_RUNNING
state, so set that for partially draining streams in
snd_compr_drain_notify() and use a flag for partially draining streams
While at it, add locks for stream state change in
snd_compr_drain_notify() as well.
Fixes: f44f2a5417b2 ("ALSA: compress: fix drain calls blocking other compress functions (v6)")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | include/sound/compress_driver.h | 12 | ||||
| -rw-r--r-- | sound/core/compress_offload.c | 4 |
2 files changed, 15 insertions, 1 deletions
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index 6ce8effa0b12..61debd191365 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -66,6 +66,7 @@ struct snd_compr_runtime { * @direction: stream direction, playback/recording * @metadata_set: metadata set flag, true when set * @next_track: has userspace signal next track transition, true when set + * @partial_drain: undergoing partial_drain for stream, true when set * @private_data: pointer to DSP private data * @dma_buffer: allocated buffer if any */ @@ -78,6 +79,7 @@ struct snd_compr_stream { enum snd_compr_direction direction; bool metadata_set; bool next_track; + bool partial_drain; void *private_data; struct snd_dma_buffer dma_buffer; }; @@ -182,7 +184,15 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream) if (snd_BUG_ON(!stream)) return; - stream->runtime->state = SNDRV_PCM_STATE_SETUP; + mutex_lock(&stream->device->lock); + /* for partial_drain case we are back to running state on success */ + if (stream->partial_drain) { + stream->runtime->state = SNDRV_PCM_STATE_RUNNING; + stream->partial_drain = false; /* clear this flag as well */ + } else { + stream->runtime->state = SNDRV_PCM_STATE_SETUP; + } + mutex_unlock(&stream->device->lock); wake_up(&stream->runtime->sleep); } diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 509290f2efa8..0e53f6f31916 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -764,6 +764,9 @@ static int snd_compr_stop(struct snd_compr_stream *stream) retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP); if (!retval) { + /* clear flags and stop any drain wait */ + stream->partial_drain = false; + stream->metadata_set = false; snd_compr_drain_notify(stream); stream->runtime->total_bytes_available = 0; stream->runtime->total_bytes_transferred = 0; @@ -921,6 +924,7 @@ static int snd_compr_partial_drain(struct snd_compr_stream *stream) if (stream->next_track == false) return -EPERM; + stream->partial_drain = true; retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_PARTIAL_DRAIN); if (retval) { pr_debug("Partial drain returned failure\n"); |