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ALSA: compress: allow writes in SNDRV_PCM_STATE_PREPARED state

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Allow writes in SNDRV_PCM_STATE_PREPARED state so that more
than one buffer fragment can be written from user space
before calling SNDRV_COMPRESS_START.

Signed-off-by: Eric Laurent <elaurent@google.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Eric Laurent 2016-03-02 09:54:57 -08:00 committed by Takashi Iwai
parent 59e4282717
commit 35383a2412
1 changed files with 1 additions and 0 deletions
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sound/core/compress_offload.c
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@ -286,6 +286,7 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf,
mutex_lock(&stream->device->lock);
/* write is allowed when stream is running or has been steup */
if (stream->runtime->state != SNDRV_PCM_STATE_SETUP &&
stream->runtime->state != SNDRV_PCM_STATE_PREPARED &&
stream->runtime->state != SNDRV_PCM_STATE_RUNNING) {
mutex_unlock(&stream->device->lock);
return -EBADFD;