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ASoC: rt5645: add sys clk detection 

Add system clock detection to prevent output DC from SPO.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2015-12-30 15:33:21 +08:00 committed by Mark Brown
parent 8005c49d9a
commit ca8457bb02
2 changed files with 8 additions and 0 deletions
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4
sound/soc/codecs/rt5645.c
View File

@ -1646,9 +1646,13 @@ static int rt5645_spk_event(struct snd_soc_dapm_widget *w,
RT5645_PWR_CLS_D_L,
RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R |
RT5645_PWR_CLS_D_L);
snd_soc_update_bits(codec, RT5645_GEN_CTRL3,
RT5645_DET_CLK_MASK, RT5645_DET_CLK_MODE1);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_update_bits(codec, RT5645_GEN_CTRL3,
RT5645_DET_CLK_MASK, RT5645_DET_CLK_DIS);
snd_soc_write(codec, RT5645_EQ_CTRL2, 0);
snd_soc_update_bits(codec, RT5645_PWR_DIG1,
RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R |

4
sound/soc/codecs/rt5645.h
View File

@ -2122,6 +2122,10 @@ enum {
/* General Control3 (0xfc) */
#define RT5645_JD_PSV_MODE (0x1 << 12)
#define RT5645_IRQ_CLK_GATE_CTRL (0x1 << 11)
#define RT5645_DET_CLK_MASK (0x3 << 9)
#define RT5645_DET_CLK_DIS (0x0 << 9)
#define RT5645_DET_CLK_MODE1 (0x1 << 9)
#define RT5645_DET_CLK_MODE2 (0x2 << 9)
#define RT5645_MICINDET_MANU (0x1 << 7)
#define RT5645_RING2_SLEEVE_GND (0x1 << 5)