From 56a0f05720575f229fbbd996c0798aaf23464924 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Wed, 8 Sep 2021 15:41:18 +0100 Subject: [PATCH] regulator: rpi-panel: Ensure the backlight is off during probe. The initial state of the Atmel is not defined, so ensure the backlight PWM is set to 0 by default. Signed-off-by: Dave Stevenson --- drivers/regulator/rpi-panel-attiny-regulator.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -250,6 +250,7 @@ static int attiny_i2c_probe(struct i2c_c regmap_write(regmap, REG_POWERON, 0); msleep(30); + regmap_write(regmap, REG_PWM, 0); config.dev = &i2c->dev; config.regmap = regmap;