diff options
| -rw-r--r-- | sound/soc/codecs/cs42l42.c | 13 | ||||
| -rw-r--r-- | sound/soc/codecs/cs42l42.h | 9 |
2 files changed, 20 insertions, 2 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index db6ef6cdce15..c8409d50e934 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -1012,7 +1012,14 @@ static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream) } } else { if (!cs42l42->stream_use) { - /* SCLK must be running before codec unmute */ + /* SCLK must be running before codec unmute. + * + * PLL must not be started with ADC and HP both off + * otherwise the FILT+ supply will not charge properly. + * DAPM widgets power-up before stream unmute so at least + * one of the "DAC" or "ADC" widgets will already have + * powered-up. + */ if (pll_ratio_table[cs42l42->pll_config].mclk_src_sel) { snd_soc_component_update_bits(component, CS42L42_PLL_CTL1, CS42L42_PLL_START_MASK, 1); @@ -1830,6 +1837,10 @@ static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42) cs42l42->hs_type = CS42L42_PLUG_INVALID; + /* + * DETECT_MODE must always be 0 with ADC and HP both off otherwise the + * FILT+ supply will not charge properly. + */ regmap_update_bits(cs42l42->regmap, CS42L42_MISC_DET_CTL, CS42L42_DETECT_MODE_MASK, 0); diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index 244b24d1f5e9..60d3bdf5d7c9 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -491,7 +491,10 @@ #define CS42L42_TS_UNPLUG 0 #define CS42L42_TS_TRANS 1 -/* Page 0x15 Fractional-N PLL Registers */ +/* + * NOTE: PLL_START must be 0 while both ADC_PDN=1 and HP_PDN=1. + * Otherwise it will prevent FILT+ from charging properly. + */ #define CS42L42_PLL_CTL1 (CS42L42_PAGE_15 + 0x01) #define CS42L42_PLL_START_SHIFT 0 #define CS42L42_PLL_START_MASK (1 << CS42L42_PLL_START_SHIFT) @@ -574,6 +577,10 @@ #define CS42L42_TIP_SENSE_CTRL_MASK (3 << \ CS42L42_TIP_SENSE_CTRL_SHIFT) +/* + * NOTE: DETECT_MODE must be 0 while both ADC_PDN=1 and HP_PDN=1. + * Otherwise it will prevent FILT+ from charging properly. + */ #define CS42L42_MISC_DET_CTL (CS42L42_PAGE_1B + 0x74) #define CS42L42_PDN_MIC_LVL_DET_SHIFT 0 #define CS42L42_PDN_MIC_LVL_DET_MASK (1 << CS42L42_PDN_MIC_LVL_DET_SHIFT) |