On Mon, Feb 12, 2024 at 05:16:37PM +0100, Thomas Zimmermann wrote: > The driver sets struct fb_info.bl_dev to the correct backlight > device. This looks like it was copied from a different patch since you added code to do this as part of the patch! > Thus rely on the backlight core code to match backlight > and framebuffer devices, and remove the extra check_fb function > from struct backlight_ops. > <snip> > diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c > index d7dddd99d325e..4500f6e03d32f 100644 > --- a/drivers/hid/hid-picolcd_fb.c > +++ b/drivers/hid/hid-picolcd_fb.c > @@ -493,6 +493,10 @@ int picolcd_init_framebuffer(struct picolcd_data *data) > info->fix = picolcdfb_fix; > info->fix.smem_len = PICOLCDFB_SIZE*8; > > +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT > + info->bl_dev = data->backlight; > +#endif > + > fbdata = info->par; > spin_lock_init(&fbdata->lock); > fbdata->picolcd = data; Daniel.
