[media] em28xx-audio: volumes are inverted

While here, fix volume mask to 5 bits

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

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;
 }