On Wed, Nov 03, 2021 at 06:28:15PM +0100, Hans de Goede wrote: > Hi, > > On 11/3/21 18:17, Daniel Thompson wrote: > > On Tue, Nov 02, 2021 at 11:55:04PM +0100, Hans de Goede wrote: > >> The Xiaomi Mi Pad 2 tablet uses an ACPI enumerated LP8556 backlight > >> controller for its LCD-panel, with a Xiaomi specific ACPI HID of > >> "XMCC0001", add support for this. > >> > >> Note the new "if (id)" check also fixes a NULL pointer deref when a user > >> tries to manually bind the driver from sysfs. > >> > >> When CONFIG_ACPI is disabled acpi_match_device() will always return NULL, > >> so the lp855x_parse_acpi() call will get optimized away. > >> > >> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > > > Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > > Thank you. > > So what is the process for upstreaming backlight patches, > do these go through drm-misc-next (in that case I can push > the series myself), or will you pick these up ? Lee Jones gathers up the backlight patches and sends a PR (but, except in exceptional cases, treats my R-b as a pre-requisite before doing so). Daniel.