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@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/sound/da7219.txt | 2 +-
include/sound/da7219.h | 3 ++-
sound/soc/codecs/da7219.c | 3 +++
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/da7219.txt b/Documentation/devicetree/bindings/sound/da7219.txt
index 062a2a0..cf61681 100644
--- a/Documentation/devicetree/bindings/sound/da7219.txt
+++ b/Documentation/devicetree/bindings/sound/da7219.txt
@@ -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"]
diff --git a/include/sound/da7219.h b/include/sound/da7219.h
index 307198b..02876ac 100644
--- a/include/sound/da7219.h
+++ b/include/sound/da7219.h
@@ -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,
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index 5daeec8..c019fef 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -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:
--
1.9.3
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