From: Arun R Murthy <arun.r.murthy@xxxxxxxxx> With the enablement of dual eDP, there will have to exist two entries of backlight sysfs file. In order to avoid sysfs file name duplication, the file names are prepended with the connector name. Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_backlight.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c index 68513206a66a..211fa0f07239 100644 --- a/drivers/gpu/drm/i915/display/intel_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_backlight.c @@ -967,6 +967,8 @@ int intel_backlight_device_register(struct intel_connector *connector) props.power = FB_BLANK_POWERDOWN; name = kstrdup("intel_backlight", GFP_KERNEL); + name = kasprintf(GFP_KERNEL, "%s.intel_backlight", + connector->base.name); if (!name) return -ENOMEM; -- 2.29.0