[alsa-devel] [PATCH v2] ASoC: rt286: Set cbj_en for ACPI devices

Liam Girdwood liam.r.girdwood at intel.com
Tue Sep 16 09:31:54 CEST 2014


On Fri, 2014-09-12 at 14:55 +0100, Mark Brown wrote:
> On Thu, Sep 11, 2014 at 09:40:54AM +0800, bardliao at realtek.com wrote:
> 
> > +/* the default platform data for acpi devices */
> > +static struct rt286_platform_data rt286_acpi_data = {
> > +	.cbj_en = true,
> > +	.gpio2_en = false,
> > +};
> > +
> >  static const struct acpi_device_id rt286_acpi_match[] = {
> > -	{ "INT343A", 0 },
> > +	{ "INT343A", (unsigned long)&rt286_acpi_data },
> >  	{},
> >  };
> 
> Why does this platform data apply to all boards using this ACPI ID?
> Shouldn't this be _DSD data instead, or should we be doing quirks based
> on DMI data?

Sadly there is no data within most/all current BIOSes that have this
ACPI id for the RT286. The BIOSes are a little behind in the development
here compared to the codec driver. So it's probably we will have to
support this and _DSD with this particular driver.

Liam

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