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ALSA: compress: Add SNDRV_PCM_STATE_PREPARED state explanation 

Stream states were explained in the code comments but
SNDRV_PCM_STATE_PREPARED was missed so add it

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Vinod Koul 2016-03-04 20:25:29 +05:30 committed by Takashi Iwai
parent 35383a2412
commit 862bca5d16
1 changed files with 3 additions and 0 deletions
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3
sound/core/compress_offload.c
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@ -74,6 +74,9 @@ struct snd_compr_file {
* SNDRV_PCM_STATE_SETUP: When stream has been initialized. This is done by * SNDRV_PCM_STATE_SETUP: When stream has been initialized. This is done by
* calling SNDRV_COMPRESS_SET_PARAMS. running streams will come to this * calling SNDRV_COMPRESS_SET_PARAMS. running streams will come to this
* state at stop by calling SNDRV_COMPRESS_STOP, or at end of drain. * state at stop by calling SNDRV_COMPRESS_STOP, or at end of drain.
* SNDRV_PCM_STATE_PREPARED: When a stream has been written to (for
* playback only). User after setting up stream writes the data buffer
* before starting the stream.
* SNDRV_PCM_STATE_RUNNING: When stream has been started and is * SNDRV_PCM_STATE_RUNNING: When stream has been started and is
* decoding/encoding and rendering/capturing data. * decoding/encoding and rendering/capturing data.
* SNDRV_PCM_STATE_DRAINING: When stream is draining current data. This is done * SNDRV_PCM_STATE_DRAINING: When stream is draining current data. This is done