[media] em28xx-audio: volumes are inverted

While here, fix volume mask to 5 bits

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index c7b96b4..302553a 100644 (file)
--- 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;
 }