[alsa-devel] [RFC] ASoC: core: Allow DAI links to be specified by using ACPI names
jarkko.nikula at linux.intel.com
Fri Oct 4 09:22:43 CEST 2013
On 10/04/2013 09:53 AM, Rafael J. Wysocki wrote:
> On Thursday, October 03, 2013 03:33:56 PM Jarkko Nikula wrote:
>> This patch adds alternative way to specify DAI links by using ACPI names.
>> ACPI name here is considered to be used as an alias for device name during
>> DAI link binding time.
> What's DAI?
It comes from Digital Audio Interface, and DAI link in ALSA SoC
basically ties together platform, DAI and codec devices by name or
device tree node.
> +#if IS_ENABLED(CONFIG_ACPI)
> That's not necessary, because ACPI_HANDLE() is defined as false for
> CONFIG_ACPI unset.
Actually problem acpi_bus_get_device() that is not available if
CONFIG_ACPI is not set. Which suggests was it even meant to be used in
drivers that are build for non ACPI systems too?
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