| Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Local helper macros and functions for HD-audio core drivers |
| 3 | */ |
| 4 | |
| 5 | #ifndef __HDAC_LOCAL_H |
| 6 | #define __HDAC_LOCAL_H |
| 7 | |
| 8 | #define get_wcaps(codec, nid) \ |
| 9 | snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) |
| 10 | |
| 11 | /* get the widget type from widget capability bits */ |
| 12 | static inline int get_wcaps_type(unsigned int wcaps) |
| 13 | { |
| 14 | if (!wcaps) |
| 15 | return -1; /* invalid type */ |
| 16 | return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; |
| 17 | } |
| 18 | |
| 19 | #endif /* __HDAC_LOCAL_H */ |