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Commit 08656910 authored by Liam Girdwood's avatar Liam Girdwood Committed by Mark Brown
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ASoC: twl6040 - add method to query HS DC offset step size in mV 



Provide a method for mach drivers to query the HS DC offset step size in mV.

Signed-off-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 9b85fc90

sound/soc/codecs/twl6040.c

+13 −0
Original line number Diff line number Diff line
@@ -1052,6 +1052,19 @@ int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) 
}

EXPORT_SYMBOL_GPL(twl6040_get_trim_value);



int twl6040_get_hs_step_size(struct snd_soc_codec *codec)

{

	struct twl6040 *twl6040 = codec->control_data;



	if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2)

		/* For ES under ES_1.3 HS step is 2 mV */

		return 2;

	else

		/* For ES_1.3 HS step is 1 mV */

		return 1;

}

EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);



static const struct snd_kcontrol_new twl6040_snd_controls[] = {

	/* Capture gains */

	SOC_DOUBLE_TLV("Capture Preamplifier Volume",

sound/soc/codecs/twl6040.h

+1 −0
Original line number Diff line number Diff line
@@ -39,5 +39,6 @@ void twl6040_hs_jack_detect(struct snd_soc_codec *codec, 
			    struct snd_soc_jack *jack, int report);

int twl6040_get_clk_id(struct snd_soc_codec *codec);

int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim);

int twl6040_get_hs_step_size(struct snd_soc_codec *codec);



#endif /* End of __TWL6040_H__ */