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| author | Wu Fengguang <fengguang.wu@intel.com> | 2009-08-24 05:50:46 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-08-24 11:42:48 +0400 |
| commit | fd72d008465d45db63d7f8931eea6a04e05916d6 (patch) | |
| tree | 8daba43d08b3162e028799d06f0c487e301a1ab5 /sound/pci/hda/hda_local.h | |
| parent | 454e134d0e9e38421830f26426c66f37a6d39465 (diff) | |
| download | linux-fd72d008465d45db63d7f8931eea6a04e05916d6.tar.xz | |
ALSA: hda: move open coded tricks into get_wcaps_channels()
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index fa57cb93b443..5f1dcc59002b 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -410,6 +410,16 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) /* get the widget type from widget capability bits */ #define get_wcaps_type(wcaps) (((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) | 1) + 1; + + return chans; +} + u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, unsigned int caps); |