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 <dave.stevenson@raspberrypi.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Link: https://lore.kernel.org/r/20220124220129.158891-5-detlev.casanova@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dave Stevenson 2022-01-24 17:01:24 -05:00 committed by Mark Brown
parent 00440bcd21
commit 89339a2ae7
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@ -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;