* [PATCH] ASoC: twl6040 - add method to query HS DC offset step size in mV
@ 2012-01-09 12:10 Liam Girdwood
2012-01-10 4:27 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Liam Girdwood @ 2012-01-09 12:10 UTC (permalink / raw)
To: Mark Brown; +Cc: alsa-devel, Liam Girdwood
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__ */
--
1.7.5.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ASoC: twl6040 - add method to query HS DC offset step size in mV
2012-01-09 12:10 [PATCH] ASoC: twl6040 - add method to query HS DC offset step size in mV Liam Girdwood
@ 2012-01-10 4:27 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2012-01-10 4:27 UTC (permalink / raw)
To: Liam Girdwood; +Cc: alsa-devel
On Mon, Jan 09, 2012 at 12:10:16PM +0000, Liam Girdwood wrote:
> Provide a method for mach drivers to query the HS DC offset step size in mV.
>
> Signed-off-by: Liam Girdwood <lrg@ti.com>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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