for reading compressed data, we need to allow when we are paused, draining or stopped.
Signed-off-by: Vinod Koul vinod.koul@intel.com Cc: Charles Keepax ckeepax@opensource.wolfsonmicro.com Cc: Richard Fitzgerald rf@opensource.wolfsonmicro.com
--- sound/core/compress_offload.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index a0bc47f..5389b9a 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -311,8 +311,14 @@ static ssize_t snd_compr_read(struct file *f, char __user *buf, stream = &data->stream; mutex_lock(&stream->device->lock);
- /* read is allowed when stream is running */ - if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING) { + /* read is allowed when stream is running, paused, draining and setup + * (yes setup is state which we transistion to after stop, so if user + * wants to read data after stop we allow that + */ + if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING || + stream->runtime->state != SNDRV_PCM_STATE_DRAINING || + stream->runtime->state != SNDRV_PCM_STATE_PAUSED || + stream->runtime->state != SNDRV_PCM_STATE_SETUP) { retval = -EBADFD; goto out; }