[5/6] pcm:extplug: refinement of masks in extplug
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Message ID 1487315869-9119-1-git-send-email-sutar.mounesh@gmail.com
State New
Headers show

Commit Message

sutar.mounesh@gmail.com Feb. 17, 2017, 7:17 a.m. UTC
From: Awais Belal <awais_belal@mentor.com>

It should be possible to use empty mask format with extplug.
The refinement of mask via extplug is now modified,
to accept empty masks as well to work properly.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Mounesh Sutar <sutar.mounesh@gmail.com>

Comments

Takashi Iwai Feb. 17, 2017, 5:46 p.m. UTC | #1
On Fri, 17 Feb 2017 08:17:49 +0100,
sutar.mounesh@gmail.com wrote:
> 
> From: Awais Belal <awais_belal@mentor.com>
> 
> It should be possible to use empty mask format with extplug.
> The refinement of mask via extplug is now modified,
> to accept empty masks as well to work properly.
> 
> Signed-off-by: Awais Belal <awais_belal@mentor.com>
> Signed-off-by: Mounesh Sutar <sutar.mounesh@gmail.com>

Applied, thanks.


Takashi

Patch
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diff --git a/src/pcm/pcm_extplug.c b/src/pcm/pcm_extplug.c
index a04f826..1004f54 100644
--- a/src/pcm/pcm_extplug.c
+++ b/src/pcm/pcm_extplug.c
@@ -172,6 +172,8 @@  int snd_ext_parm_mask_refine(snd_mask_t *mask, struct snd_ext_parm *parm, int ty
 	unsigned int i;
 
 	parm += type;
+	if (!parm->active)
+		return 0;
 	memset(&bits, 0, sizeof(bits));
 	for (i = 0; i < parm->num_list; i++)
 		bits.bits[parm->list[i] / 32] |= 1U << (parm->list[i] % 32);