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ALSA: ice1724 - aureon - fix wm8770 volume offset

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The volume register is from 0..0x7f and 0..0x1a range is mute.
Also, fix mute combining in wm_vol_put(). The wrong behaviour was
noticed by Peter Christensen.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2010-02-05 10:19:41 +01:00
parent 21956b61f5
commit 9d4c746445
1 changed files with 7 additions and 5 deletions
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12
sound/pci/ice1712/aureon.c
View file

@ -703,11 +703,13 @@ static void wm_set_vol(struct snd_ice1712 *ice, unsigned int index, unsigned sho
{
unsigned char nvol;
if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE))
if ((master & WM_VOL_MUTE) || (vol & WM_VOL_MUTE)) {
nvol = 0;
else
} else {
nvol = ((vol % WM_VOL_CNT) * (master % WM_VOL_CNT)) /
WM_VOL_MAX;
nvol += 0x1b;
}
wm_put(ice, index, nvol);
wm_put_nocache(ice, index, 0x180 | nvol);
@ -778,7 +780,7 @@ static int wm_master_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
for (ch = 0; ch < 2; ch++) {
unsigned int vol = ucontrol->value.integer.value[ch];
if (vol > WM_VOL_MAX)
continue;
vol = WM_VOL_MAX;
vol |= spec->master[ch] & WM_VOL_MUTE;
if (vol != spec->master[ch]) {
int dac;
@ -834,8 +836,8 @@ static int wm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *
for (i = 0; i < voices; i++) {
unsigned int vol = ucontrol->value.integer.value[i];
if (vol > WM_VOL_MAX)
continue;
vol |= spec->vol[ofs+i];
vol = WM_VOL_MAX;
vol |= spec->vol[ofs+i] & WM_VOL_MUTE;
if (vol != spec->vol[ofs+i]) {
spec->vol[ofs+i] = vol;
idx = WM_DAC_ATTEN + ofs + i;