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

Mika Westerberg
2015-08-10T14:02:07Z

On Mon, Aug 10, 2015 at 03:48:31PM +0200, Christian Hartmann wrote:
> > You should use devm_gpiod_get() and friends. If you do not have
> > corresponding Linux device node, then it is fwnode_get_named_gpiod().
>
> It seems the fwnode_get_named_gpiod() function will be used in my case,
> but how can I get the fwnode??

There is acpi_fwnode_handle() in include/acpi/acpi_bus.h. However, if
you have Linux device available you should really use devm_gpio_*
functions instead.