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

Signed-off-by: Liam Girdwood lrg@ti.com --- sound/soc/codecs/twl6040.c | 13 +++++++++++++ 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 3376e6f..4ae6b82 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -1029,6 +1029,19 @@ 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 a83277b..0028699 100644 --- a/sound/soc/codecs/twl6040.h +++ b/sound/soc/codecs/twl6040.h @@ -38,5 +38,6 @@ 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__ */