[ALSA] sound: ice1712.c fix shadowed variable warnings

In all four case, adding a private value to the iooff index,
call it priv_idx.
sound/pci/ice1712/ice1712.c:1300:6: warning: symbol 'index' shadows an earlier one
sound/pci/ice1712/ice1712.c:85:12: originally declared here
sound/pci/ice1712/ice1712.c:1312:6: warning: symbol 'index' shadows an earlier one
sound/pci/ice1712/ice1712.c:85:12: originally declared here
sound/pci/ice1712/ice1712.c:1338:6: warning: symbol 'index' shadows an earlier one
sound/pci/ice1712/ice1712.c:85:12: originally declared here
sound/pci/ice1712/ice1712.c:1350:6: warning: symbol 'index' shadows an earlier one
sound/pci/ice1712/ice1712.c:85:12: originally declared here

[tiwai - fixed coding issues as well]

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ice1712/ice1712.c

@@ -1297,28 +1297,32 @@ static void snd_ice1712_update_volume(struct snd_ice1712 *ice, int index)
 static int snd_ice1712_pro_mixer_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
-	int index = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + kcontrol->private_value;
+	int priv_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) +
+		kcontrol->private_value;
 
 	spin_lock_irq(&ice->reg_lock);
-	ucontrol->value.integer.value[0] = !((ice->pro_volumes[index] >> 15) & 1);
-	ucontrol->value.integer.value[1] = !((ice->pro_volumes[index] >> 31) & 1);
+	ucontrol->value.integer.value[0] =
+		!((ice->pro_volumes[priv_idx] >> 15) & 1);
+	ucontrol->value.integer.value[1] =
+		!((ice->pro_volumes[priv_idx] >> 31) & 1);
 	spin_unlock_irq(&ice->reg_lock);
 	return 0;
 }
 
 static int snd_ice1712_pro_mixer_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
-	int index = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + kcontrol->private_value;
+	int priv_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) +
+		kcontrol->private_value;
 	unsigned int nval, change;
 
 	nval = (ucontrol->value.integer.value[0] ? 0 : 0x00008000) |
 	       (ucontrol->value.integer.value[1] ? 0 : 0x80000000);
 	spin_lock_irq(&ice->reg_lock);
-	nval |= ice->pro_volumes[index] & ~0x80008000;
-	change = nval != ice->pro_volumes[index];
-	ice->pro_volumes[index] = nval;
-	snd_ice1712_update_volume(ice, index);
+	nval |= ice->pro_volumes[priv_idx] & ~0x80008000;
+	change = nval != ice->pro_volumes[priv_idx];
+	ice->pro_volumes[priv_idx] = nval;
+	snd_ice1712_update_volume(ice, priv_idx);
 	spin_unlock_irq(&ice->reg_lock);
 	return change;
 }
@@ -1335,28 +1339,32 @@ static int snd_ice1712_pro_mixer_volume_info(struct snd_kcontrol *kcontrol, stru
 static int snd_ice1712_pro_mixer_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
-	int index = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + kcontrol->private_value;
+	int priv_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) +
+		kcontrol->private_value;
 
 	spin_lock_irq(&ice->reg_lock);
-	ucontrol->value.integer.value[0] = (ice->pro_volumes[index] >> 0) & 127;
-	ucontrol->value.integer.value[1] = (ice->pro_volumes[index] >> 16) & 127;
+	ucontrol->value.integer.value[0] =
+		(ice->pro_volumes[priv_idx] >> 0) & 127;
+	ucontrol->value.integer.value[1] =
+		(ice->pro_volumes[priv_idx] >> 16) & 127;
 	spin_unlock_irq(&ice->reg_lock);
 	return 0;
 }
 
 static int snd_ice1712_pro_mixer_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
-	int index = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + kcontrol->private_value;
+	int priv_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) +
+		kcontrol->private_value;
 	unsigned int nval, change;
 
 	nval = (ucontrol->value.integer.value[0] & 127) |
 	       ((ucontrol->value.integer.value[1] & 127) << 16);
 	spin_lock_irq(&ice->reg_lock);
-	nval |= ice->pro_volumes[index] & ~0x007f007f;
-	change = nval != ice->pro_volumes[index];
-	ice->pro_volumes[index] = nval;
-	snd_ice1712_update_volume(ice, index);
+	nval |= ice->pro_volumes[priv_idx] & ~0x007f007f;
+	change = nval != ice->pro_volumes[priv_idx];
+	ice->pro_volumes[priv_idx] = nval;
+	snd_ice1712_update_volume(ice, priv_idx);
 	spin_unlock_irq(&ice->reg_lock);
 	return change;
 }