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Tested: tested with a lm36011 and it can set its brightness to lowest value (2.4 mA) Signed-off-by: Jack Chen --- drivers/leds/flash/leds-lm3601x.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/leds/flash/leds-lm3601x.c b/drivers/leds/flash/leds-lm= 3601x.c index 7e93c447fec5..fc4df904ea90 100644 --- a/drivers/leds/flash/leds-lm3601x.c +++ b/drivers/leds/flash/leds-lm3601x.c @@ -190,7 +190,7 @@ static int lm3601x_brightness_set(struct led_classdev *= cdev, goto out; } =20 - ret =3D regmap_write(led->regmap, LM3601X_LED_TORCH_REG, brightness); + ret =3D regmap_write(led->regmap, LM3601X_LED_TORCH_REG, brightness - 1); if (ret < 0) goto out; =20 @@ -341,8 +341,9 @@ static int lm3601x_register_leds(struct lm3601x_led *le= d, =20 led_cdev =3D &led->fled_cdev.led_cdev; led_cdev->brightness_set_blocking =3D lm3601x_brightness_set; - led_cdev->max_brightness =3D DIV_ROUND_UP(led->torch_current_max, - LM3601X_TORCH_REG_DIV); + led_cdev->max_brightness =3D DIV_ROUND_UP( + led->torch_current_max - LM3601X_MIN_TORCH_I_UA + 1, + LM3601X_TORCH_REG_DIV); led_cdev->flags |=3D LED_DEV_CAP_FLASH; =20 init_data.fwnode =3D fwnode; @@ -386,6 +387,14 @@ static int lm3601x_parse_node(struct lm3601x_led *led, goto out_err; } =20 + if (led->torch_current_max > LM3601X_MAX_TORCH_I_UA) { + dev_warn(&led->client->dev, + "led-max-microamp cannot be higher than %d\n", + LM3601X_MAX_TORCH_I_UA); + led->torch_current_max =3D LM3601X_MAX_TORCH_I_UA; + } + + ret =3D fwnode_property_read_u32(child, "flash-max-microamp", &led->flash_current_max); if (ret) { --=20 2.45.2.803.g4e1b14247a-goog