Use sar adc for button detection to increase accuracy.
Signed-off-by: Bard Liao <bardliao@xxxxxxxxxxx>
---
sound/soc/codecs/rt5665.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c
index efacc94..ca6aa66 100644
--- a/sound/soc/codecs/rt5665.c
+++ b/sound/soc/codecs/rt5665.c
@@ -1139,7 +1139,8 @@ static void rt5665_enable_push_button_irq(struct snd_soc_codec *codec,
bool enable)
{
if (enable) {
- snd_soc_write(codec, RT5665_4BTN_IL_CMD_1, 0x000b);
+ snd_soc_write(codec, RT5665_4BTN_IL_CMD_1, 0x0003);
+ snd_soc_update_bits(codec, RT5665_SAR_IL_CMD_9, 0x1, 0x1);
snd_soc_write(codec, RT5665_IL_CMD_1, 0x0048);
snd_soc_update_bits(codec, RT5665_4BTN_IL_CMD_2,
RT5665_4BTN_IL_MASK | RT5665_4BTN_IL_RST_MASK,
--
2.7.4
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