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| author |   Takashi Iwai <tiwai@suse.de> | 2009-07-27 12:54:26 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-07-27 12:54:26 +0200 |
| commit | a22d543a95e82e5ad0ee1a44aad54fd6b6bf52a8 (patch) | |
| tree | 34ab56e73bd25338588a83e8e1b28e4ce94810b1 /sound/pci/hda/hda_local.h | |
| parent | Merge branch 'fix/hda' into topic/hda (diff) | |
| download | linux-dev-a22d543a95e82e5ad0ee1a44aad54fd6b6bf52a8.tar.xz linux-dev-a22d543a95e82e5ad0ee1a44aad54fd6b6bf52a8.zip | |
ALSA: hda - Introduce get_wcaps_type() macro
Add a helper macro to retrieve the widget type from wiget cap bits.
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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 75aa3785212f..fa57cb93b443 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -407,6 +407,9 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) return codec->wcaps[nid - codec->start_nid]; } +/* get the widget type from widget capability bits */ +#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT) + 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); |