diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 56c26e7..6809386 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -199,7 +199,9 @@ enum { #define AC_AMPCAP_OFFSET_SHIFT 0 #define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */ #define AC_AMPCAP_NUM_STEPS_SHIFT 8 -#define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB in 0.25dB */ +#define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB + * in 0.25dB + */ #define AC_AMPCAP_STEP_SIZE_SHIFT 16 #define AC_AMPCAP_MUTE (1<<31) /* mute capable */ #define AC_AMPCAP_MUTE_SHIFT 31 @@ -436,7 +438,8 @@ struct hda_bus { /* codec linked list */ struct list_head codec_list; - struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; /* caddr -> codec */ + /* link caddr -> codec */ + struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; struct mutex cmd_mutex; @@ -499,7 +502,7 @@ struct hda_pcm_ops { /* PCM information for each substream */ struct hda_pcm_stream { - unsigned int substreams; /* number of substreams, 0 = not exist */ + unsigned int substreams; /* number of substreams, 0 = not exist*/ unsigned int channels_min; /* min. number of channels */ unsigned int channels_max; /* max. number of channels */ hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ @@ -582,13 +585,17 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, /* * low level functions */ -unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct, +unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, unsigned int parm); int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, unsigned int verb, unsigned int parm); -#define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param) -int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id); -int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns); +#define snd_hda_param_read(codec, nid, param) \ + snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param) +int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, + hda_nid_t *start_id); +int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, + hda_nid_t *conn_list, int max_conns); struct hda_verb { hda_nid_t nid; @@ -596,7 +603,8 @@ struct hda_verb { u32 param; }; -void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq); +void snd_hda_sequence_write(struct hda_codec *codec, + const struct hda_verb *seq); /* unsolicited event */ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex); @@ -610,10 +618,13 @@ int snd_hda_build_controls(struct hda_bus *bus); * PCM */ int snd_hda_build_pcms(struct hda_bus *bus); -void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, +void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, + u32 stream_tag, int channel_id, int format); -unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels, - unsigned int format, unsigned int maxbps); +unsigned int snd_hda_calc_stream_format(unsigned int rate, + unsigned int channels, + unsigned int format, + unsigned int maxbps); int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, u32 *ratesp, u64 *formatsp, unsigned int *bpsp); int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, |
