<html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hi Arnd, Thanks for your patch. On 04/20/2017 02:59 AM, Arnd Bergmann wrote: <blockquote cite="mid:20170419175939.189098-2-arnd@arndb.de" type="cite"> <pre wrap="">The new S6E3HA2 driver fails to link when backlight is disabled: ERROR: "backlight_device_register" [drivers/gpu/drm/panel/panel-samsung-s6e3ha2.ko] undefined! ERROR: "backlight_device_unregister" [drivers/gpu/drm/panel/panel-samsung-s6e3ha2.ko] undefined! This adds a Kconfig dependency like we have it for some other panel drivers. Fixes: ed29f9426d9b ("drm/panel: Add support for S6E3HA2 panel driver on TM2 board") Signed-off-by: Arnd Bergmann <a class="moz-txt-link-rfc2396E" href="mailto:arnd@arndb.de"><arnd@arndb.de></a></pre> </blockquote> Reviewed-by: Hoegeun Kwon <a class="moz-txt-link-rfc2396E" href="mailto:hoegeun.kwon@samsung.com"><hoegeun.kwon@samsung.com></a> Best regards, Hoegeun </body> </html>