mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-30 19:51:31 -04:00
ALSA: hda - add helper to get channels from cap bits
This helper is copied from legacy hda driver. Signed-off-by: Subhransu S. Prusty <[email protected]> Signed-off-by: Vinod Koul <[email protected]> Acked-by: Takashi Iwai <[email protected]> Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
parent
f55532a0c0
commit
9fc7c862e7
1 changed files with 10 additions and 0 deletions
|
|
@ -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);
|
||||
|
|
|
|||
Loading…
Reference in a new issue