HID: AMD_SFH: Add a DMI quirk entry for Chromebooks
authorAkihiko Odaki <akihiko.odaki@gmail.com>
Tue, 16 Aug 2022 10:21:20 +0000 (19:21 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 5 Sep 2022 08:30:08 +0000 (10:30 +0200)
commitd74ce3ece4028a85aacf0d26a5ce13c872fcb949
treecb840bf7faef1c38d0af2fecf0aa7173b4da6eb3
parenta569d41c5aba7ebbd52ca6f495ea0134178d489d
HID: AMD_SFH: Add a DMI quirk entry for Chromebooks

commit adada3f4930ac084740ea340bd8e94028eba4f22 upstream.

Google Chromebooks use Chrome OS Embedded Controller Sensor Hub instead
of Sensor Hub Fusion and leaves MP2 uninitialized, which disables all
functionalities, even including the registers necessary for feature
detections.

The behavior was observed with Lenovo ThinkPad C13 Yoga.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Suggested-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hid/amd-sfh-hid/amd_sfh_pcie.c