On Thu, 03 Mar 2016 17:09:52 +0100,
Eric Laurent wrote:
>
> Takashi, Vinod,
>
> Can you help with merging the attached patch for compress offload core
> upstream?
Looks good to me, but I'm waiting for ack from Vinod.
BTW, I noticed that SNDRV_PCM_STREAM_PREPARED is missing in the
comment in snd_compr_open(). Should be fixed in another patch.
thanks,
Takashi
>
> Thanks.
>
> Eric.
> [1.2 <text/html; UTF-8 (7bit)>]
>
> 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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