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leds: flash: leds-qcom-flash: Disable LED when changing brightness

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The Qualcomm PMI8998 PMIC requires the LED to be disabled when configuring
the brightness. Always disable the LED when setting the brightness and
re-enable it afterwards.

Signed-off-by: Dylan Van Assche <me@dylanvanassche.be>
Link: https://lore.kernel.org/r/20230507172941.364852-3-me@dylanvanassche.be
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Dylan Van Assche 2023-05-07 19:29:41 +02:00 committed by Lee Jones
parent 0ae8dc1a1a
commit 91fe1bda46
1 changed files with 8 additions and 0 deletions
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8
drivers/leds/flash/leds-qcom-flash.c
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@ -417,6 +417,14 @@ static int qcom_flash_led_brightness_set(struct led_classdev *led_cdev,
bool enable = !!brightness;
int rc;
rc = set_flash_strobe(led, SW_STROBE, false);
if (rc)
return rc;
rc = set_flash_module_en(led, false);
if (rc)
return rc;
rc = set_flash_current(led, current_ma, TORCH_MODE);
if (rc)
return rc;