On Fri, Jun 26, 2015 at 01:46:50PM +0200, Pierre-Louis Bossart wrote:
On 6/25/15 5:44 PM, Charles Keepax wrote:
I think from the Linux side we can safely ignore those last two digits. I expect that all systems of the same make and model would report the same last two digits but that it might change between models if the Windows driver is expected to something differently for that model.
Here's the summary of what a valid _HID should look like. It took me a couple of days to gather the rules from different sources, I hope it helps others figure things out.
None of which really affact the matching that the kernel does since whatever form the string is generated in we need to do a full string match (nor do they correspond to what it seems the Wolfson drivers have invented but that's a separate issue). Yay standards.