[alsa-devel] [RFC] ASoC: core: Allow DAI links to be specified by using ACPI names

Mark Brown broonie at kernel.org
Mon Oct 28 16:06:39 CET 2013

On Mon, Oct 28, 2013 at 11:53:14AM +0000, Liam Girdwood wrote:
> On Fri, 2013-10-25 at 13:42 +0300, Jarkko Nikula wrote:

> > Yes, I don't see any urgent reason to push this hack in. Better to check 
> > dev_name change first. What I'm going to propose there is "spix.y" to 
> > "spi-INTABCD:xy" and "x-00yz" to "i2c-INTABCD:xy"

> We probably need to be able to match on ACPI name alone as some BIOS
> settings can change the I2C bus number and break the name match used at
> bind time. e.g. on Haswell the codec can either be on I2C bus 0 or 7.

Indeed.  The way I initially read the suggestion above the idea was to
replace the bus number with the ACPI name for the device which seemed
sensible but now I reread the bus number is still there.
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