ASoC: cs42l42: Remove redundant delays in suspend().

This patch will remove redundant delay and minimise
total suspend() function call time.

Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://msgid.link/r/20240216101157.23176-1-vitalyr@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Vitaly Rodionov

include/sound/cs42l42.h

@@ -809,8 +809,7 @@
 #define CS42L42_PLL_LOCK_TIMEOUT_US	1250
 #define CS42L42_HP_ADC_EN_TIME_US	20000
 #define CS42L42_PDN_DONE_POLL_US	1000
-#define CS42L42_PDN_DONE_TIMEOUT_US	200000
-#define CS42L42_PDN_DONE_TIME_MS	100
-#define CS42L42_FILT_DISCHARGE_TIME_MS	46
+#define CS42L42_PDN_DONE_TIMEOUT_US	235000
+#define CS42L42_PDN_DONE_TIME_MS	65
 
 #endif /* __CS42L42_H */

sound/soc/codecs/cs42l42.c

@@ -2195,7 +2195,6 @@ int cs42l42_suspend(struct device *dev)
 	/* Discharge FILT+ */
 	regmap_update_bits(cs42l42->regmap, CS42L42_PWR_CTL2,
 			   CS42L42_DISCHARGE_FILT_MASK, CS42L42_DISCHARGE_FILT_MASK);
-	msleep(CS42L42_FILT_DISCHARGE_TIME_MS);
 
 	regcache_cache_only(cs42l42->regmap, true);
 	gpiod_set_value_cansleep(cs42l42->reset_gpio, 0);