[PATCH][next] staging: greybus: Remove redundant variable 'mask'

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The variable mask is being assigned and bit-set but it is never
being used apart from this. The variable is redundant and can
be removed.

Cleans up clang scan build warning:
drivers/staging/greybus/audio_topology.c:764:15: warning: variable 'mask'
set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/staging/greybus/audio_topology.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index 08e6a807c132..5dc4721105d4 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -761,7 +761,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 {
 	int ret, wi, ctl_id;
 	unsigned int val, mux, change;
-	unsigned int mask;
 	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 	struct gb_audio_ctl_elem_value gbvalue;
@@ -802,7 +801,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 
 	mux = ucontrol->value.enumerated.item[0];
 	val = mux << e->shift_l;
-	mask = e->mask << e->shift_l;
 
 	if (le32_to_cpu(gbvalue.value.enumerated_item[0]) !=
 	    ucontrol->value.enumerated.item[0]) {
@@ -815,7 +813,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 		if (ucontrol->value.enumerated.item[1] > e->items - 1)
 			return -EINVAL;
 		val |= ucontrol->value.enumerated.item[1] << e->shift_r;
-		mask |= e->mask << e->shift_r;
 		if (le32_to_cpu(gbvalue.value.enumerated_item[1]) !=
 		    ucontrol->value.enumerated.item[1]) {
 			change = 1;
-- 
2.39.2

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