@@ -1270,10 +1270,8 @@ static void cs42l42_process_hs_type_detect(struct cs42l42_private *cs42l42)
/* Turn on level detect circuitry */
regmap_update_bits(cs42l42->regmap,
CS42L42_MISC_DET_CTL,
- CS42L42_DETECT_MODE_MASK |
CS42L42_HSBIAS_CTL_MASK |
CS42L42_PDN_MIC_LVL_DET_MASK,
- (0 << CS42L42_DETECT_MODE_SHIFT) |
(3 << CS42L42_HSBIAS_CTL_SHIFT) |
(0 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
@@ -1300,10 +1298,8 @@ static void cs42l42_process_hs_type_detect(struct cs42l42_private *cs42l42)
/* Make sure button detect and HS bias circuits are off */
regmap_update_bits(cs42l42->regmap,
CS42L42_MISC_DET_CTL,
- CS42L42_DETECT_MODE_MASK |
CS42L42_HSBIAS_CTL_MASK |
CS42L42_PDN_MIC_LVL_DET_MASK,
- (0 << CS42L42_DETECT_MODE_SHIFT) |
(1 << CS42L42_HSBIAS_CTL_SHIFT) |
(1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
}
@@ -1351,10 +1347,8 @@ static void cs42l42_init_hs_type_detect(struct cs42l42_private *cs42l42)
/* Make sure button detect and HS bias circuits are off */
regmap_update_bits(cs42l42->regmap,
CS42L42_MISC_DET_CTL,
- CS42L42_DETECT_MODE_MASK |
CS42L42_HSBIAS_CTL_MASK |
CS42L42_PDN_MIC_LVL_DET_MASK,
- (0 << CS42L42_DETECT_MODE_SHIFT) |
(1 << CS42L42_HSBIAS_CTL_SHIFT) |
(1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
@@ -1398,10 +1392,8 @@ static void cs42l42_init_hs_type_detect(struct cs42l42_private *cs42l42)
/* Power up HS bias to 2.7V */
regmap_update_bits(cs42l42->regmap,
CS42L42_MISC_DET_CTL,
- CS42L42_DETECT_MODE_MASK |
CS42L42_HSBIAS_CTL_MASK |
CS42L42_PDN_MIC_LVL_DET_MASK,
- (0 << CS42L42_DETECT_MODE_SHIFT) |
(3 << CS42L42_HSBIAS_CTL_SHIFT) |
(1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
@@ -1448,10 +1440,8 @@ static void cs42l42_cancel_hs_type_detect(struct cs42l42_private *cs42l42)
/* Ground HS bias */
regmap_update_bits(cs42l42->regmap,
CS42L42_MISC_DET_CTL,
- CS42L42_DETECT_MODE_MASK |
CS42L42_HSBIAS_CTL_MASK |
CS42L42_PDN_MIC_LVL_DET_MASK,
- (0 << CS42L42_DETECT_MODE_SHIFT) |
(1 << CS42L42_HSBIAS_CTL_SHIFT) |
(1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
@@ -1829,6 +1819,9 @@ static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42)
cs42l42->hs_type = CS42L42_PLUG_INVALID;
+ regmap_update_bits(cs42l42->regmap, CS42L42_MISC_DET_CTL,
+ CS42L42_DETECT_MODE_MASK, 0);
+
/* Latch analog controls to VP power domain */
regmap_update_bits(cs42l42->regmap, CS42L42_MIC_DET_CTL1,
CS42L42_LATCH_TO_VP_MASK |
There are multiple places where DETECT_MODE is included in a register write, but in every case it is written as 0. Removing these redundant writes makes the code less cluttered and also makes it obvious that DETECT_MODE is never changed. A single initialization to 0 is added to cs42l42_setup_hs_type_detect(). Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> --- sound/soc/codecs/cs42l42.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-)