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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: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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2 changed files with 14 additions and 0 deletions
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@ -1052,6 +1052,19 @@ int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
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}
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EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
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int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
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{
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struct twl6040 *twl6040 = codec->control_data;
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if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2)
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/* For ES under ES_1.3 HS step is 2 mV */
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return 2;
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else
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/* For ES_1.3 HS step is 1 mV */
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return 1;
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}
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EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
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static const struct snd_kcontrol_new twl6040_snd_controls[] = {
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/* Capture gains */
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SOC_DOUBLE_TLV("Capture Preamplifier Volume",
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@ -39,5 +39,6 @@ void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
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struct snd_soc_jack *jack, int report);
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int twl6040_get_clk_id(struct snd_soc_codec *codec);
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int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim);
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int twl6040_get_hs_step_size(struct snd_soc_codec *codec);
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#endif /* End of __TWL6040_H__ */
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