[alsa-devel] Fwd: [PATCH 1/1] SPI : spi-pxa2xx : fix spi init of WM510205 codec via ACPI (resend)

Mark Brown broonie at kernel.org
Fri Jun 26 13:58:23 CEST 2015


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.
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