fbdev/rivafb: Use hardware device as backlight parent

Use the hardware device in struct fb_info.device as parent of the
backlight device. Aligns the driver with the rest of the codebase
and prepares fbdev for making struct fb_info.dev optional.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Antonino Daplas <adaplas@gmail.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-25-tzimmermann@suse.de

diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index e328b2d..6ade8de 100644 (file)
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -333,7 +333,7 @@ static void riva_bl_init(struct riva_par *par)
        memset(&props, 0, sizeof(struct backlight_properties));
        props.type = BACKLIGHT_RAW;
        props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
-       bd = backlight_device_register(name, info->dev, par, &riva_bl_ops,
+       bd = backlight_device_register(name, info->device, par, &riva_bl_ops,
                                       &props);
        if (IS_ERR(bd)) {
                info->bl_dev = NULL;