[alsa-devel] Question about pxa2xx-ac97-lib.c

[Mark Brown]

On Sun, Apr 12, 2009 at 04:47:39PM +0200, Marek Vasut wrote:
> One more thing, I'd like to ask how to change the reset_gpio in the above 
> file. Will I have to make copy of pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI] in 
> palm27x.c and change the .probe pointer to my own function that sets the 
> proper platform data? That is, something like the following? Thanks

BTW, I meant to say in reply to the previous mail - you really should
copy all audio discussion to at least alsa-devel.

> +/* Palms use GPIO95 for AC97 reset */
> +static int palm_ac97_probe(struct platform_device *pdev,
> +                            struct snd_soc_dai *dai)
> +{
> +       struct platform_device *pd = to_platform_device(dai->dev);
> +       static struct pxa2xx_ac97_platform_data pdata = {
> +               .reset_gpio = 95,
> +       };
> +       printk("%s[%i]\n", __FUNCTION__, __LINE__);
> +       pd->dev.platform_data = &pdata;
> +       return pxa2xx_ac97_hw_probe(pd);
> +}

Look in mainline - pxa2xx-ac97-lib already provides platform data based
configuration of the GPIO to use for reset.