ASoC: twl6040: Shift 2 identifies the HS output in out_drv_event

None of the driver handled by out_drv_event have it's power
bit shifted by 3.
Remove the case for shift 3, and also add comment for the cases.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index d706bd0..738d102 100644 (file)
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -563,14 +563,13 @@ static int out_drv_event(struct snd_soc_dapm_widget *w,
        struct delayed_work *work;
 
        switch (w->shift) {
-       case 2:
-       case 3:
+       case 2: /* Headset output driver */
                out = &priv->headset;
                out->left_step = priv->hs_left_step;
                out->right_step = priv->hs_right_step;
                out->step_delay = 5;    /* 5 ms between volume ramp steps */
                break;
-       case 4:
+       case 4: /* Handsfree output driver */
                out = &priv->handsfree;
                out->left_step = priv->hf_left_step;
                out->right_step = priv->hf_right_step;