backlight_disable
backlight_disable(ws->backlight);
backlight_disable(bl->base);
backlight_disable(dbidev->backlight);
ret = backlight_disable(panel->backlight);
backlight_disable(backlight);
backlight_disable(jdi->backlight);
backlight_disable(jdi->backlight);
backlight_disable(jdi->backlight);
backlight_disable(ctx->bl_dev);
backlight_disable(rad->backlight);
backlight_disable(ctx->bl_dev);
ret = backlight_disable(ctx->backlight);
backlight_disable(ssd130x->bl_dev);