[alsa-devel] [PATCH] ASoC:pcm512x: Make PLL lock output selectable via device tree.

[Mark Brown]

On Fri, Mar 20, 2015 at 09:22:43PM +0000, Howard Mitchell wrote:

> +	if (pcm512x->pll_lock) {

> +                if (of_property_read_u32(np, "pll-lock", &val) >= 0) {
> +                        if (val > 6) {
> +                                dev_err(dev, "Invalid pll-lock\n");
> +                                ret = -EINVAL;
> +                                goto err_clk;
> +                        }
> +                        pcm512x->pll_lock = val;
> +                }

This breaks existing boards which rely on GPIO 4 being set as the lock
output.  This is very unfortunate since it's a silly thing for the
driver to default to but nontheless we should really continue to support
them - at a guess Peter's board is relying on this, and even if it isn't
someone else's might.
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