Use sar adc for button detection to increase accuracy.
Signed-off-by: Bard Liao bardliao@realtek.com --- 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,