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pcm: extplug: refinement of masks in extplug

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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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Awais Belal 2017-02-17 12:47:49 +05:30 • committed by Takashi Iwai
parent a50496346f
commit fbb9571381
1 changed files with 2 additions and 0 deletions
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2
src/pcm/pcm_extplug.c
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@ -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);