diff options
| author | Liam Girdwood <lrg@ti.com> | 2012-01-09 12:10:16 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-20 13:58:26 +0000 |
| commit | 08656910bb80882aaad739faea6dac3a0818f71c (patch) | |
| tree | e0fcaf1dd7b21086dbcb4aa0dc8bf4d16a4d2c91 | |
| parent | 9b85fc90634972634a229aaa1c94f8c9a50fddbc (diff) | |
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>
| -rw-r--r-- | sound/soc/codecs/twl6040.c | 13 | ||||
| -rw-r--r-- | sound/soc/codecs/twl6040.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 5b9c79b6f65e..284dd2e99971 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -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", diff --git a/sound/soc/codecs/twl6040.h b/sound/soc/codecs/twl6040.h index ef273f1fac2f..0611406ca7c0 100644 --- a/sound/soc/codecs/twl6040.h +++ b/sound/soc/codecs/twl6040.h @@ -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__ */ |