mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
25 lines
812 B
Diff
25 lines
812 B
Diff
From 56a0f05720575f229fbbd996c0798aaf23464924 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
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 <dave.stevenson@raspberrypi.com>
|
|
---
|
|
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;
|