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alsa-mixer: support up to 8 channels per mixer element

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We have at least one USB hardware which supports the 8
channels in one mixer element:

  https://github.com/alsa-project/alsa-ucm-conf/pull/25

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2020-05-04 13:04:28 +02:00 • committed by Arun Raghavan
parent 06990e32ff
commit e0ab9fa4a4
2 changed files with 16 additions and 10 deletions
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2
src/modules/alsa/alsa-mixer.h
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@ -160,7 +160,7 @@ struct pa_alsa_element {
long volume_limit; /* -1 for no configured limit */
double min_dB, max_dB;
pa_channel_position_mask_t masks[SND_MIXER_SCHN_LAST + 1][2];
pa_channel_position_mask_t masks[SND_MIXER_SCHN_LAST + 1][8];
unsigned n_channels;
pa_channel_position_mask_t merged_mask;