From: Dave Stevenson Date: Mon, 24 Jan 2022 22:01:21 +0000 (-0500) Subject: regulator: rpi-panel: Register with a unique backlight name X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7291e7d686308b4a77f43225eaf1753cb20cc692;p=linux.git regulator: rpi-panel: Register with a unique backlight name There's no reason why 2 Raspberry Pi DSI displays can't be attached to a Pi Compute Module, so the backlight names need to be unique. Use the parent dev_name. It's not as readable, but is unique. Signed-off-by: Dave Stevenson Signed-off-by: Detlev Casanova Link: https://lore.kernel.org/r/20220124220129.158891-2-detlev.casanova@collabora.com Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index ee46bfbf5eee7..370b9ae363dd2 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -181,8 +181,7 @@ static int attiny_i2c_probe(struct i2c_client *i2c, props.type = BACKLIGHT_RAW; props.max_brightness = 0xff; - bl = devm_backlight_device_register(&i2c->dev, - "7inch-touchscreen-panel-bl", + bl = devm_backlight_device_register(&i2c->dev, dev_name(&i2c->dev), &i2c->dev, regmap, &attiny_bl, &props); if (IS_ERR(bl))