[alsa-devel] [PATCH] ASoC: rt5645: improve IRQ reaction time for HS button

Bard Liao bardliao at realtek.com
Tue Jan 5 07:22:11 CET 2016


IRQ reaction time is not immediate when headset putton is pressed.
This patch shortens the reaction time.

Signed-off-by: John Lin <john.lin at realtek.com>
Signed-off-by: Bard Liao <bardliao at realtek.com>
---
 sound/soc/codecs/rt5645.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 72d3ca5..c61d38b 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3066,6 +3066,7 @@ static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec,
 		snd_soc_dapm_force_enable_pin(dapm, "ADC R power");
 		snd_soc_dapm_sync(dapm);
 
+		snd_soc_update_bits(codec, RT5650_4BTN_IL_CMD1, 0x3, 0x3);
 		snd_soc_update_bits(codec,
 					RT5645_INT_IRQ_ST, 0x8, 0x8);
 		snd_soc_update_bits(codec,
-- 
1.8.1.1.439.g50a6b54



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