[PATCH v2 1/9] regulator: rpi-panel: Register with a unique backlight name

Detlev Casanova
2022-01-21T15:21:40Z

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 <dave.stevenson@raspberrypi.com>
---
drivers/regulator/rpi-panel-attiny-regulator.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c
index ee46bfbf5eee..370b9ae363dd 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))
--
2.34.1