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eb53e84dc1
linux/drivers/regulator
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Andrew Halaney eb53e84dc1 regulator: core: Clean up on enable failure 
[ Upstream commit c32f1ebfd2 ]

If regulator_enable() fails, enable_count is incremented still.
A consumer, assuming no matching regulator_disable() is necessary on
failure, will then get this error message upon regulator_put()
since enable_count is non-zero:

    [    1.277418] WARNING: CPU: 3 PID: 1 at drivers/regulator/core.c:2304 _regulator_put.part.0+0x168/0x170

The consumer could try to fix this in their driver by cleaning up on
error from regulator_enable() (i.e. call regulator_disable()), but that
results in the following since regulator_enable() failed and didn't
increment user_count:

    [    1.258112] unbalanced disables for vreg_l17c
    [    1.262606] WARNING: CPU: 4 PID: 1 at drivers/regulator/core.c:2899 _regulator_disable+0xd4/0x190

Fix this by decrementing enable_count upon failure to enable.

With this in place, just the reason for failure to enable is printed
as expected and developers can focus on the root cause of their issue
instead of thinking their usage of the regulator consumer api is
incorrect. For example, in my case:

    [    1.240426] vreg_l17c: invalid input voltage found

Fixes: 5451781dad ("regulator: core: Only count load for enabled consumers")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20220819194336.382740-1-ahalaney@redhat.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-09-15 11:30:03 +02:00
..
88pg86x.c regulator: 88pg86x: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:09 +01:00
88pm800-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
88pm8607.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aat2870-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
ab8500-ext.c regulator: ab8500: Decomission platform data header 2021-01-13 11:36:19 +00:00
ab8500.c regulator: ab8500: Decomission platform data header 2021-01-13 11:36:19 +00:00
act8865-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
act8945a-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
ad5398.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
anatop-regulator.c regulator: anatop: Constify anatop_core_rops 2020-06-18 13:47:31 +01:00
arizona-ldo1.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
arizona-micsupp.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
as3711-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
as3722-regulator.c regulator: as3722: Fix fall-through warnings for Clang 2020-11-23 18:46:31 +00:00
atc260x-regulator.c regulator: atc260x: Fix missing active_discharge_on setting 2022-04-13 20:59:17 +02:00
axp20x-regulator.c regulator: axp20x: Fix reference cout leak 2021-01-20 18:48:20 +00:00
bcm590xx-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
bd718x7-regulator.c regulator: bd718x7: Suopport configuring UVP/OVP state 2021-07-11 23:50:44 +01:00
bd9571mwv-regulator.c regulator: bd9571mwv: Convert device attribute to sysfs_emit() 2021-03-15 15:42:12 +00:00
bd9576-regulator.c regulator: bd9576: Fix testing wrong flag in check_temp_flag_mismatch 2021-07-01 14:50:30 +01:00
bd71815-regulator.c regulator: bd71815: Get rid of struct bd71815_pmic 2021-06-08 13:37:46 +01:00
bd71828-regulator.c regulator: bd718x7, bd71828: Use ramp-delay helper 2021-04-14 10:19:59 +01:00
core.c regulator: core: Clean up on enable failure 2022-09-15 11:30:03 +02:00
cpcap-regulator.c regulator: cpcap-regulator: Demote kerneldoc header to standard comment 2020-06-25 20:11:16 +01:00
cros-ec-regulator.c regulator: cros-ec: Fix error code in dev_err message 2021-05-12 13:01:41 +01:00
da903x-regulator.c regulator: rename da903x to da903x-regulator 2020-06-25 15:29:21 +01:00
da9052-regulator.c regulator: da9052: Ensure enough delay time for .set_voltage_time_sel 2021-06-23 12:34:40 +01:00
da9055-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
da9062-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
da9063-regulator.c regulator: da9063: Add support for full-current mode. 2021-07-15 17:24:50 +01:00
da9121-regulator.c regulator: da9121: Fix uninit-value in da9121_assign_chip_model() 2022-06-09 10:22:48 +02:00
da9121-regulator.h regulator: da9121: automotive variants identity fix 2021-04-21 15:49:51 +01:00
da9210-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
da9210-regulator.h regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
da9211-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
da9211-regulator.h regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
db8500-prcmu.c regulator: db8500-prcmu: Use true,false for bool variable 2020-05-06 15:16:59 +01:00
dbx500-prcmu.c regulator: Replace symbolic permissions with octal permissions 2021-07-11 23:50:43 +01:00
dbx500-prcmu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197 2019-05-30 11:29:22 -07:00
devres.c regulator: devres: unexport devm_regulator_unregister_supply_alias() 2021-07-11 23:50:34 +01:00
dummy.c regulator: dummy: Constify dummy_initdata and dummy_ops 2020-09-14 14:24:36 +01:00
dummy.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fan53555.c regulator: fan53555: add tcs4526 2021-06-04 15:27:10 +01:00
fan53880.c Merge remote-tracking branch 'regulator/for-5.14' into regulator-next 2021-06-23 16:56:31 +01:00
fixed-helper.c
fixed.c regulator: fixed: use dev_err_probe for register 2021-07-22 12:40:12 +01:00
gpio-regulator.c regulator: gpio: Honor regulator-boot-on property 2020-07-20 16:31:54 +01:00
helpers.c regulator: Check ramp_delay_table for regulator_set_ramp_delay_regmap 2021-05-19 14:31:43 +01:00
hi655x-regulator.c regulator: hi655x: Fix pass wrong pointer to config.driver_data 2021-06-21 13:02:05 +01:00
hi6421-regulator.c regulator: hi6421: Fix getting wrong drvdata 2021-07-11 23:44:37 +01:00
hi6421v530-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
hi6421v600-regulator.c regulator: hi6421v600: rename voltage range arrays 2021-07-26 02:16:49 +01:00
internal.h regulator: move rdev_print helpers to internal.h 2021-06-21 13:08:39 +01:00
irq_helpers.c regulator: Documentation fix for regulator error notification helper 2021-08-23 11:06:28 +01:00
isl6271a-regulator.c
isl9305.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
Kconfig regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC 2021-07-20 13:37:29 +01:00
lm363x-regulator.c regulator: lm363x: Fix n_voltages setting for lm36274 2019-07-22 13:18:13 +01:00
lochnagar-regulator.c regulator: lochnagar: Add additional VDDCORE range 2020-09-07 18:49:13 +01:00
lp872x.c regulator: lp872x: make a const array static, makes object smaller 2020-10-26 20:56:58 +00:00
lp873x-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
lp3971.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
lp3972.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lp8755.c regulator: lp8755: Convert to use regulator_set_ramp_delay_regmap 2021-06-01 14:05:23 +01:00
lp8788-buck.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
lp8788-ldo.c regulator: lp8788-ldo: make array en_mask static const, makes object smaller 2019-09-09 10:53:48 +01:00
lp87565-regulator.c mfd: lp87565: Move LP87565_regulator_id to .c file 2021-05-19 13:34:00 +01:00
ltc3589.c regulator: ltc3589: Convert to use regulator_set_ramp_delay_regmap 2021-06-08 13:37:45 +01:00
ltc3676.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
Makefile regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC 2021-07-20 13:37:29 +01:00
max1586.c regulator: max1586: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:14 +01:00
max8649.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max8660.c regulator: max8660: remove redundant assignment of variable ret 2019-08-15 15:09:21 +01:00
max8893.c regulator: max8893: add regulator driver 2021-06-21 13:07:44 +01:00
max8907-regulator.c regulator: max8907: Constify static structs 2020-06-18 13:47:34 +01:00
max8925-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max8952.c Linux 5.2-rc4 2019-06-18 19:12:47 +01:00
max8973-regulator.c regulator: max8973: Convert to use regulator_set_ramp_delay_regmap 2021-05-24 09:51:34 +01:00
max8997-regulator.c regulator: max8997: Constify struct regulator_ops 2020-06-18 13:47:35 +01:00
max8998.c regulator: max8998: Staticify internal function max8998_get_current_limit() 2020-06-26 15:34:18 +01:00
max14577-regulator.c regulator: max14577: Revert "regulator: max14577: Add proper module aliases strings" 2021-09-17 13:16:38 +01:00
max77620-regulator.c regulator: max77620: Silence deferred probe error 2021-05-24 09:50:20 +01:00
max77650-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
max77686-regulator.c regulator: max77686: Convert to use regulator_set_ramp_delay_regmap 2021-06-07 16:24:07 +01:00
max77693-regulator.c
max77802-regulator.c regulator: max77802: Convert to use regulator_set_ramp_delay_regmap 2021-06-03 14:04:51 +01:00
max77826-regulator.c regulator: max77826: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:15 +01:00
mc13xxx-regulator-core.c
mc13xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mc13783-regulator.c
mc13892-regulator.c regulator: mc13892-regulator: convert comma to semicolon 2020-12-11 13:23:07 +00:00
mcp16502.c regulator: mcp16502: Convert to use regulator_set_ramp_delay_regmap 2021-06-01 14:05:26 +01:00
mp886x.c regulator: mp886x: Convert to use regulator_set_ramp_delay_regmap 2021-05-25 16:45:09 +01:00
mp5416.c regulator: mp5416: Convert to use regulator_set_ramp_delay_regmap 2021-05-25 16:45:10 +01:00
mp8859.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mpq7920.c regulator: mpq7920: Convert to use .probe_new 2020-01-14 15:25:00 +00:00
mpq7920.h regulator: mpq7920: Fix incorrect defines 2020-01-17 15:34:31 +00:00
mt6311-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
mt6311-regulator.h regulator: mt63xx: Switch to SPDX identifier 2019-04-26 10:38:23 +01:00
mt6315-regulator.c Merge remote-tracking branch 'regulator/for-5.14' into regulator-next 2021-06-23 16:56:31 +01:00
mt6323-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mt6358-regulator.c regulator: mt6358: Remove shift fields from struct mt6358_regulator_info 2021-07-11 23:50:35 +01:00
mt6359-regulator.c regulator: mt6359: Remove shift fields from struct mt6359_regulator_info 2021-07-11 23:50:36 +01:00
mt6360-regulator.c regulator: mt6360: remove redundant error print 2021-03-24 19:50:21 +00:00
mt6380-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mt6397-regulator.c regulator: mt6397: Remove modeset_shift from struct mt6397_regulator_info 2021-07-11 23:50:37 +01:00
mtk-dvfsrc-regulator.c regulator: mtk-dvfsrc: Fix wrong dev pointer for devm_regulator_register 2021-07-07 12:01:32 +01:00
of_regulator.c regulator: of: Fix refcount leak bug in of_get_regulation_constraints() 2022-08-17 14:23:14 +02:00
palmas-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
pbias-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
pca9450-regulator.c regulator: pca9450: Convert to use regulator_set_ramp_delay_regmap 2021-06-01 14:05:21 +01:00
pcap-regulator.c regulator: pcap-regulator: remove unused variable 'SW3_table' 2019-10-01 12:46:37 +01:00
pcf50633-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pf8x00-regulator.c regulator: pf8x00: Use regulator_map_voltage_ascend for pf8x00_buck7_ops 2021-03-10 12:47:46 +00:00
pfuze100-regulator.c regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt 2022-06-09 10:22:56 +02:00
pv88060-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
pv88060-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pv88080-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
pv88080-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pv88090-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
pv88090-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pwm-regulator.c Merge remote-tracking branch 'regulator/for-5.10' into regulator-next 2020-10-05 16:54:56 +01:00
qcom_rpm-regulator.c regulator: qcom_rpm: Constify struct regulator_ops 2020-07-01 18:33:14 +01:00
qcom_smd-regulator.c regulator: qcom_smd: Fix pm8916_pldo range 2022-08-17 14:23:09 +02:00
qcom_spmi-regulator.c regulator: add property parsing and callbacks to set protection limits 2021-06-21 13:08:41 +01:00
qcom_usb_vbus-regulator.c regulator: Add a routine to set the current limit for QCOM PMIC VBUS 2021-05-10 13:06:50 +01:00
qcom-labibb-regulator.c regulator: qcom-labibb: OCP interrupts are not a failure while disabled 2022-01-27 11:03:47 +01:00
qcom-rpmh-regulator.c regulator: qcom-rpmh-regulator: fix pm8009-1 ldo7 resource name 2021-09-01 17:32:10 +01:00
rc5t583-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
rk808-regulator.c regulator: rk808: Convert to use regulator_set_ramp_delay_regmap 2021-05-26 19:22:09 +01:00
rn5t618-regulator.c regulator: Fixes for v5.5 2019-12-17 13:08:41 -08:00
rohm-regulator.c regulator: rohm-regulator: Support SNVS HW state. 2021-04-14 10:19:48 +01:00
rpi-panel-attiny-regulator.c regulator: rpi-panel: Handle I2C errors/timing to the Atmel 2022-04-08 14:23:54 +02:00
rt4801-regulator.c regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL 2021-06-03 19:35:48 +01:00
rt4831-regulator.c regulator: rt4831: Add missing .owner field in regulator_desc 2021-05-25 16:45:11 +01:00
rt5033-regulator.c regulator: rt5033: Use linear ranges to map all voltage selection 2021-07-11 23:50:39 +01:00
rt6160-regulator.c regulator: rt6160: Fix setting suspend voltage 2021-06-16 15:41:16 +01:00
rt6245-regulator.c regulator: rt6245: make a const array func_base static, makes object smaller 2021-07-15 17:24:49 +01:00
rtmv20-regulator.c Merge existing fixes from regulator/for-5.14 2021-07-11 23:45:15 +01:00
rtq2134-regulator.c regulator: rtq2134: Fix missing active_discharge_on setting 2022-04-13 20:59:16 +02:00
rtq6752-regulator.c regulator: rtq6752: fix reg reset behavior 2021-07-16 13:55:34 +01:00
s2mpa01.c regulator: s2mpa01: Drop initialization via platform data 2021-04-21 15:51:42 +01:00
s2mps11.c regulator: s2mps11: Drop initialization via platform data 2021-04-21 15:51:43 +01:00
s5m8767.c regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled 2021-11-18 19:15:57 +01:00
sc2731-regulator.c
scmi-regulator.c regulator: scmi: Fix refcount leak in scmi_regulator_probe 2022-06-09 10:23:00 +02:00
sky81452-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
slg51000-regulator.c Merge series "Support ROHM BD9576MUF and BD9573MUF PMICs" from Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>: 2020-09-17 18:25:39 +01:00
slg51000-regulator.h regulator: slg51000: add slg51000 regulator driver 2019-05-13 11:07:43 +01:00
stm32-booster.c regulator: stm32-booster: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:20 +01:00
stm32-pwr.c regulator: stm32-pwr: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:17 +01:00
stm32-vrefbuf.c regulator: stm32-vrefbuf: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:18 +01:00
stpmic1_regulator.c regulator: add property parsing and callbacks to set protection limits 2021-06-21 13:08:41 +01:00
stw481x-vmmc.c regulator: stw481x-vmmc: Constify static structs 2020-09-14 14:24:38 +01:00
sy7636a-regulator.c regulator: sy7636a: Use the regmap directly 2021-08-09 12:40:26 +01:00
sy8106a-regulator.c regulator: sy8106a: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:19 +01:00
sy8824x.c regulator: sy8824x: Enable REGCACHE_FLAT 2021-08-03 18:27:18 +01:00
sy8827n.c regulator: sy8827n: Enable REGCACHE_FLAT 2021-08-03 18:27:19 +01:00
ti-abb-regulator.c regulator: ti-abb: Fix array out of bound read access on the first transition 2020-11-18 17:59:24 +00:00
tps6105x-regulator.c regulator: tps6105x: Constify tps6105x_regulator_ops 2020-09-01 15:48:52 +01:00
tps6507x-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps6524x-regulator.c
tps6586x-regulator.c regulator: tps6586x: Constify static regulator_ops 2020-09-01 15:48:56 +01:00
tps51632-regulator.c regulator: tps51632: Constify tps51632_dcdc_ops 2020-09-01 15:48:51 +01:00
tps62360-regulator.c regulator: tps62360: Constify tps62360_dcdc_ops 2020-09-01 15:48:53 +01:00
tps65023-regulator.c regulator: tps65023: Fix W=1 build warning when CONFIG_OF=n 2020-08-21 17:28:21 +01:00
tps65086-regulator.c regulator: tps65086: Constify static regulator_ops 2020-09-01 15:48:54 +01:00
tps65090-regulator.c regulator: tps65090: constify static regulator_ops 2020-09-01 15:48:55 +01:00
tps65132-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
tps65217-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65218-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65910-regulator.c regulator: tps65910: Silence deferred probe error 2021-07-11 23:50:38 +01:00
tps65912-regulator.c regulator: tps65912: Constify static regulator_ops 2020-09-01 15:48:56 +01:00
tps80031-regulator.c regulator: tps80031: remove redundant assignment to variables ret and val 2020-04-14 16:57:44 +01:00
twl6030-regulator.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
twl-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
uniphier-regulator.c regulator: uniphier: Add missing MODULE_DEVICE_TABLE 2021-05-11 10:05:48 +01:00
userspace-consumer.c regulator: userspace-consumer: use DEVICE_ATTR_RO/RW macro 2021-06-02 12:03:37 +01:00
vctrl-regulator.c regulator: vctrl: Avoid lockdep warning in enable/disable ops 2021-08-25 14:17:53 +01:00
vexpress-regulator.c regulator: vexpress: Use PTR_ERR_OR_ZERO() to simplify code 2019-11-18 12:58:24 +00:00
virtual.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vqmmc-ipq4019-regulator.c regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings 2020-01-17 15:34:21 +00:00
wm831x-dcdc.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
wm831x-isink.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
wm831x-ldo.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
wm8350-regulator.c regulator: remove locking around regulator_notifier_call_chain() 2020-09-07 18:35:25 +01:00
wm8400-regulator.c regulator: wm8400-regulator: Repair dodgy kerneldoc header formatting 2020-06-26 15:34:24 +01:00
wm8994-regulator.c regulator: wm8994: Add an off-on delay for WM8994 variant 2022-04-20 09:34:16 +02:00