Messages in this thread Patch in this message | | | From | Detlev Casanova <> | Subject | [PATCH 4/9] regulator: rpi-panel: Ensure the backlight is off during probe. | Date | Thu, 20 Jan 2022 10:21:45 -0500 |
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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 <dave.stevenson@raspberrypi.com> --- 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 a4af7adad2b5..b3629a1e0e50 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; -- 2.34.1
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