From: Dave Stevenson Date: Thu, 11 Feb 2021 18:46:06 +0000 (+0000) Subject: regulator: rpi-panel: Register with a unique backlight name X-Git-Tag: submit/tizen/20220208.074352~783 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e2c4a8d98c30b6c4130d13122da158037228d91c;p=platform%2Fkernel%2Flinux-rpi.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 --- diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index ee46bfb..370b9ae 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))