[alsa-devel] [PATCH 1/2] ASoC: rt5651: Add support for external amplifier enable GPIO

[Mark Brown]

On Mon, Jun 25, 2018 at 02:19:02PM +0200, Hans de Goede wrote:

> Hmm, that seems like a complicated solution to use for non DT platforms

It should be fine for board file systems as well.  I think it's just
ACPI that's painful here :(

> I already need to deal with this in the sound/soc/intel/boards/bytcr_rt5651.c
> machine driver (call devm_acpi_dev_add_driver_gpios), so I'm tempted to
> model this a supply for the speaker (which it in essence is) inside the
> machine driver and make that supply directly control the GPIO, would
> that be acceptable?

Sure.
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