Hi, On 11/3/21 18:31, Daniel Thompson wrote: > 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). Ok, thanks. Regards, Hans
