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Commit 002b083b authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
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ASoC: arizona: Add utility function to check if an input is analog 



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: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bee261b8

sound/soc/codecs/arizona.c

+9 −0
Original line number Diff line number Diff line
@@ -691,6 +691,15 @@ static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena) 
				    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 event)

{

sound/soc/codecs/arizona.h

+2 −0
Original line number Diff line number Diff line
@@ -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,

			    bool diff);



extern bool arizona_input_analog(struct snd_soc_codec *codec, int shift);



#endif