diff options
| author | Wu Fengguang <fengguang.wu@intel.com> | 2009-08-24 09:50:46 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-08-24 09:42:48 +0200 |
| commit | fd72d008465d45db63d7f8931eea6a04e05916d6 (patch) | |
| tree | 8daba43d08b3162e028799d06f0c487e301a1ab5 | |
| parent | 454e134d0e9e38421830f26426c66f37a6d39465 (diff) | |
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>
| -rw-r--r-- | sound/pci/hda/hda_local.h | 10 | ||||
| -rw-r--r-- | sound/pci/hda/hda_proc.c | 4 | ||||
| -rw-r--r-- | sound/pci/hda/patch_atihdmi.c | 3 |
3 files changed, 12 insertions, 5 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); diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index a721eb08a290..95f24e4729f8 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -515,9 +515,7 @@ static void print_codec_info(struct snd_info_entry *entry, snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid, get_wid_type_name(wid_type), wid_caps); if (wid_caps & AC_WCAP_STEREO) { - unsigned int chans; - chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13; - chans = ((chans << 1) | 1) + 1; + unsigned int chans = get_wcaps_channels(wid_caps); if (chans == 2) snd_iprintf(buffer, " Stereo"); else diff --git a/sound/pci/hda/patch_atihdmi.c b/sound/pci/hda/patch_atihdmi.c index 233e4778bba9..fb684f00156b 100644 --- a/sound/pci/hda/patch_atihdmi.c +++ b/sound/pci/hda/patch_atihdmi.c @@ -141,8 +141,7 @@ static int atihdmi_build_pcms(struct hda_codec *codec) /* FIXME: we must check ELD and change the PCM parameters dynamically */ chans = get_wcaps(codec, CVT_NID); - chans = (chans & AC_WCAP_CHAN_CNT_EXT) >> 13; - chans = ((chans << 1) | 1) + 1; + chans = get_wcaps_channels(chans); info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans; return 0; |