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pcm: Fix channel map query when there are lots of maps

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On most HDA Intel HDMI devices, the channel map list is approx. 500 ints
in size, making the 256-sized buffer used by
snd_pcm_query_chmaps_from_hw() too small and causing the query to fail
(NULL result to caller, ENOMEM).

Bump the buffer size to 2048 ints.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Anssi Hannula 2014-06-08 12:58:56 +03:00 • committed by Takashi Iwai
parent 84f8b976c0
commit 042223c4ee
1 changed files with 1 additions and 1 deletions
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2
src/pcm/pcm_hw.c
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@ -1051,7 +1051,7 @@ snd_pcm_query_chmaps_from_hw(int card, int dev, int subdev,
{
snd_ctl_t *ctl;
snd_ctl_elem_id_t *id;
unsigned int tlv[256], *start;
unsigned int tlv[2048], *start;
snd_pcm_chmap_query_t **map;
int i, ret, nums;