On 7/28/23 11:32 AM, Tzung-Bi Shih wrote: > On Fri, Jul 28, 2023 at 10:59:22AM +0500, Muhammad Usama Anjum wrote: >> On 7/28/23 6:42 AM, Tzung-Bi Shih wrote: >>> Use official HID GOOG0016 for ChromeOS ACPI (see [1]). >>> >>> [1]: https://crrev.com/c/2266713 >>> >>> Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx> >>> --- >>> AFAIK, there has no ChromeOS devices using the driver yet. Instead, they >>> still stick to some downstream implementation. IOW, I guess we are safe >>> to just replace the PNP ID. >> GOOG0016 got introduced in newer firmware. Older firmware will still have >> only GGL0001 id. Lets keep both IDs otherwise the updated driver will not >> work on older chromebooks. This can be easily achieved by keeping both IDs >> in chromeos_device_ids. > > Thanks for the review. I overlooked the case. Will fix it in next version. > > So if I'm looking for the path, whether it bases on "GOOG0016" or "GGL0001", > it actually depends on what firmware the system has? So kernel will the match the firware's ID with list of IDs defined there. -- BR, Muhammad Usama Anjum