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ASoC: da7219: Add support for 1.6V micbias level 

HW can provide 1.6V micbias level as well the existing levels
already provided in the driver. This patch adds support for 1.6V
to the DT binding.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Adam Thomson 2015-12-22 18:27:55 +00:00 committed by Mark Brown
parent d8ef140dcc
commit 0aed64c176
3 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/sound/da7219.txt
View File

@ -29,7 +29,7 @@ Optional properties:
- clock-names : Clock name string for 'clocks' attribute, should be "mclk".
- dlg,micbias-lvl : Voltage (mV) for Mic Bias
[<1800>, <2000>, <2200>, <2400>, <2600>]
[<1600>, <1800>, <2000>, <2200>, <2400>, <2600>]
- dlg,mic-amp-in-sel : Mic input source type
["diff", "se_p", "se_n"]

3
include/sound/da7219.h
View File

@ -16,7 +16,8 @@
/* Mic Bias */
enum da7219_micbias_voltage {
DA7219_MICBIAS_1_8V = 1,
DA7219_MICBIAS_1_6V = 0,
DA7219_MICBIAS_1_8V,
DA7219_MICBIAS_2_0V,
DA7219_MICBIAS_2_2V,
DA7219_MICBIAS_2_4V,

3
sound/soc/codecs/da7219.c
View File

@ -1410,6 +1410,8 @@ static enum da7219_micbias_voltage
da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
{
switch (val) {
case 1600:
return DA7219_MICBIAS_1_6V;
case 1800:
return DA7219_MICBIAS_1_8V;
case 2000:
@ -1571,6 +1573,7 @@ static void da7219_handle_pdata(struct snd_soc_codec *codec)
/* Mic Bias voltages */
switch (pdata->micbias_lvl) {
case DA7219_MICBIAS_1_6V:
case DA7219_MICBIAS_1_8V:
case DA7219_MICBIAS_2_0V:
case DA7219_MICBIAS_2_2V: