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| author | Mark Brown <broonie@kernel.org> | 2016-04-28 18:49:06 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-04-28 18:49:06 +0100 |
| commit | 6a5ea5c5d1d35e9b81fca88535cd584d9332961d (patch) | |
| tree | 2c453e96b56a123af430f78b1b58844846296749 /sound | |
| parent | db71336b9eec22c21cef65c90cea49130c464994 (diff) | |
| parent | 9fc7c862e78ba8bec142935673227f2463aa05a5 (diff) | |
| download | linux-6a5ea5c5d1d35e9b81fca88535cd584d9332961d.tar.bz2 | |
Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-hdmi
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/hda/local.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/hda/local.h b/sound/hda/local.h index d692f417ddc0..0d5bb159d538 100644 --- a/sound/hda/local.h +++ b/sound/hda/local.h @@ -16,6 +16,16 @@ static inline int get_wcaps_type(unsigned int wcaps) return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; } +static inline unsigned int get_wcaps_channels(u32 wcaps) +{ + unsigned int chans; + + chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; + chans = (chans + 1) * 2; + + return chans; +} + extern const struct attribute_group *hdac_dev_attr_groups[]; int hda_widget_sysfs_init(struct hdac_device *codec); void hda_widget_sysfs_exit(struct hdac_device *codec); |