Takashi, Vinod,
Can you help with merging the attached patch for compress offload core
upstream?
Thanks.
Eric.
From 1166adf4b63ea3ee1d119c46d97fa65c76a08447 Mon Sep 17 00:00:00 2001
From: Eric Laurent <elaurent@xxxxxxxxxx>
Date: Wed, 2 Mar 2016 09:54:57 -0800
Subject: [PATCH] ALSA: compress: allow writes in SNDRV_PCM_STATE_PREPARED
state
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@xxxxxxxxxx>
---
sound/core/compress_offload.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 1b77852..7c57f37 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -281,6 +281,7 @@ 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;
--
2.7.0.rc3.207.g0ac5344
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