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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-06-19 18:14:07 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-27 22:53:03 +0200
commit71d7d83edc5129509a2cba1cf9848579cf9619e5 (patch)
tree9704421b5d80492febbc424ae500f27c23bcdb71 /drivers/media/video/em28xx/em28xx-audio.c
parent[media] em28xx-audio: add support for mute controls (diff)
downloadlinux-71d7d83edc5129509a2cba1cf9848579cf9619e5.tar.xz
linux-71d7d83edc5129509a2cba1cf9848579cf9619e5.zip
[media] em28xx-audio: volumes are inverted
While here, fix volume mask to 5 bits Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-audio.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index c7b96b46d346..302553a7f83f 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -452,8 +452,8 @@ static int em28xx_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *value)
{
struct em28xx *dev = snd_kcontrol_chip(kcontrol);
- u16 val = (value->value.integer.value[0] & 0x1f) |
- (value->value.integer.value[1] & 0x1f) << 8;
+ u16 val = (0x1f - (value->value.integer.value[0] & 0x1f)) |
+ (0x1f - (value->value.integer.value[1] & 0x1f)) << 8;
int rc;
mutex_lock(&dev->lock);
@@ -482,8 +482,8 @@ static int em28xx_vol_get(struct snd_kcontrol *kcontrol,
if (val < 0)
return val;
- value->value.integer.value[0] = val & 0x1f;
- value->value.integer.value[1] = (val << 8) & 0x1f;
+ value->value.integer.value[0] = 0x1f - (val & 0x1f);
+ value->value.integer.value[1] = 0x1f - ((val << 8) & 0x1f);
return 0;
}
@@ -501,9 +501,9 @@ static int em28xx_vol_put_mute(struct snd_kcontrol *kcontrol,
goto err;
if (val)
- rc |= 0x8000;
+ rc &= 0x1f1f;
else
- rc &= 0x7f7f;
+ rc |= 0x8000;
rc = em28xx_write_ac97(dev, kcontrol->private_value, rc);
@@ -525,9 +525,9 @@ static int em28xx_vol_get_mute(struct snd_kcontrol *kcontrol,
return val;
if (val & 0x8000)
- value->value.integer.value[0] = 1;
- else
value->value.integer.value[0] = 0;
+ else
+ value->value.integer.value[0] = 1;
return 0;
}