ASoC: rt5645: improve IRQ reaction time for HS button

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

Signed-off-by: John Lin <john.lin@realtek.com>
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5645.c

@@ -3062,6 +3062,7 @@ 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,