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| author | Takashi Iwai <tiwai@suse.de> | 2007-08-10 17:11:07 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:58:43 +0200 |
| commit | 47fd830acf0b6b5bc75db55d0f2cc64f59a23b5f (patch) | |
| tree | 920b7e2cdce7120ff96417d74b911c3d5b95c21b /sound/pci/hda/hda_codec.c | |
| parent | 82beb8fd365afe3891b277c46425083f13e23c56 (diff) | |
| download | linux-47fd830acf0b6b5bc75db55d0f2cc64f59a23b5f.tar.gz linux-47fd830acf0b6b5bc75db55d0f2cc64f59a23b5f.tar.bz2 linux-47fd830acf0b6b5bc75db55d0f2cc64f59a23b5f.zip | |
[ALSA] hda-codec - add snd_hda_codec_stereo() function
Added snd_hda_codec_amp_stereo() function that changes both of stereo
channels with the same mask and value bits. It simplifies most of
amp-handling codes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 1d31da47bc9b..043529308676 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -842,6 +842,19 @@ int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, return 1; } +/* + * update the AMP stereo with the same mask and value + */ +int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, + int direction, int idx, int mask, int val) +{ + int ch, ret = 0; + for (ch = 0; ch < 2; ch++) + ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, + idx, mask, val); + return ret; +} + #ifdef CONFIG_PM /* resume the all amp commands from the cache */ void snd_hda_codec_resume_amp(struct hda_codec *codec) @@ -913,9 +926,11 @@ int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, long *valp = ucontrol->value.integer.value; if (chs & 1) - *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f; + *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) + & HDA_AMP_VOLMASK; if (chs & 2) - *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f; + *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) + & HDA_AMP_VOLMASK; return 0; } @@ -992,10 +1007,10 @@ int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, if (chs & 1) *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & - 0x80) ? 0 : 1; + HDA_AMP_MUTE) ? 0 : 1; if (chs & 2) *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & - 0x80) ? 0 : 1; + HDA_AMP_MUTE) ? 0 : 1; return 0; } @@ -1012,12 +1027,14 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, if (chs & 1) { change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, - 0x80, *valp ? 0 : 0x80); + HDA_AMP_MUTE, + *valp ? 0 : HDA_AMP_MUTE); valp++; } if (chs & 2) change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, - 0x80, *valp ? 0 : 0x80); + HDA_AMP_MUTE, + *valp ? 0 : HDA_AMP_MUTE); return change; } @@ -1318,12 +1335,9 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, val & 0xff); /* unmute amp switch (if any) */ if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && - (val & AC_DIG1_ENABLE)) { - snd_hda_codec_amp_update(codec, nid, 0, HDA_OUTPUT, 0, - 0x80, 0x00); - snd_hda_codec_amp_update(codec, nid, 1, HDA_OUTPUT, 0, - 0x80, 0x00); - } + (val & AC_DIG1_ENABLE)) + snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, + HDA_AMP_MUTE, 0); } mutex_unlock(&codec->spdif_mutex); return change; |