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| author |   Dave Stevenson <dave.stevenson@raspberrypi.com> | 2022-01-24 17:01:24 -0500 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2022-01-28 20:55:48 +0000 |
| commit | 89339a2ae7608138dbcccda8db67a87870550cbe (patch) | |
| tree | 9c0cf212f40492a3da231d8290203787231b88eb /drivers/regulator | |
| parent | regulator: rpi-panel: Serialise operations. (diff) | |
| download | linux-dev-89339a2ae7608138dbcccda8db67a87870550cbe.tar.xz linux-dev-89339a2ae7608138dbcccda8db67a87870550cbe.zip | |
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>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/rpi-panel-attiny-regulator.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; |