[alsa-devel] [PATCH v3 1/6] ASoC: WM8903: Disallow all invalid gpio_cfg pdata values

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Dec 2 11:35:35 CET 2011

On Thu, Dec 01, 2011 at 01:49:19PM -0700, Stephen Warren wrote:
> The GPIO registers are 15 bits wide. Hence values, higher than 0x7fff are
> not legal GPIO register values. Modify the pdata.gpio_cfg handling code
> to reject all illegal values, not just WM8903_GPIO_NO_CONFIG (0x8000). This
> will allow the later use of 0xffffffff as an invalid value in future device
> tree bindings, meaning "don't touch this GPIO's configuration".

Applied, thanks.

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