[ALSA] soc - Fix power switching support for DAPM_SWITCH widgets

Signed-off-by: Milan plzik <milan.plzik@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 7eb6c5c..91d58b5 100644 (file)
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -691,7 +691,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
        return 0;
 }
 
-/* test and update the power status of a mixer widget */
+/* test and update the power status of a mixer or switch widget */
 static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
                                   struct snd_kcontrol *kcontrol, int reg,
                                   int val_mask, int val, int invert)
@@ -699,7 +699,8 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
        struct snd_soc_dapm_path *path;
        int found = 0;
 
-       if (widget->id != snd_soc_dapm_mixer)
+       if (widget->id != snd_soc_dapm_mixer &&
+           widget->id != snd_soc_dapm_switch)
                return -ENODEV;
 
        if (!snd_soc_test_bits(widget->codec, reg, val_mask, val))