iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ASoC: arizona: Add utility function to check if an input is analog

Browse Source 
We will occasionally require to take different action based on if an
input is analog or digital so add a helper function to return if an
input is analog.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2015-09-16 13:59:41 +01:00 committed by Mark Brown
parent bee261b896
commit 002b083b8d
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sound/soc/codecs/arizona.c
View File

@ -691,6 +691,15 @@ static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena)
ARIZONA_IN_VU, val); ARIZONA_IN_VU, val);
} }
bool arizona_input_analog(struct snd_soc_codec *codec, int shift)
{
unsigned int reg = ARIZONA_IN1L_CONTROL + ((shift / 2) * 8);
unsigned int val = snd_soc_read(codec, reg);
return !(val & ARIZONA_IN1_MODE_MASK);
}
EXPORT_SYMBOL_GPL(arizona_input_analog);
int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
int event) int event)
{ {

2
sound/soc/codecs/arizona.h
View File

@ -294,4 +294,6 @@ extern int arizona_init_dai(struct arizona_priv *priv, int dai);
int arizona_set_output_mode(struct snd_soc_codec *codec, int output, int arizona_set_output_mode(struct snd_soc_codec *codec, int output,
bool diff); bool diff);
extern bool arizona_input_analog(struct snd_soc_codec *codec, int shift);
#endif #endif