From 75903b64211c0d4986accb396ea5a60e1d09dc89 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(+) diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index a4af7ad..b3629a1 100644 --- 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_client *i2c, regmap_write(regmap, REG_POWERON, 0); msleep(30); + regmap_write(regmap, REG_PWM, 0); config.dev = &i2c->dev; config.regmap = regmap; -- 2.7.4