[PATCH] drm/imx: imx-tve: Make the 'dac' regulator optional

[Fabio Estevam]

Hi Philipp,

On Tue, Jan 3, 2017 at 5:11 PM, Fabio Estevam <festevam at gmail.com> wrote:
> From: Fabio Estevam <fabio.estevam at nxp.com>
>
> Commit deb65870b5d9d ("drm/imx: imx-tve: check the value returned by
> regulator_set_voltage()") exposes the following probe issue:
>
> 63ff0000.tve supply dac not found, using dummy regulator
> imx-drm display-subsystem: failed to bind 63ff0000.tve (ops imx_tve_ops): -22
>
> When the 'dac' regulator is not passed in the device tree,
> devm_regulator_get() will return NULL and when regulator_set_voltage()
> is called it returns an error.
>
> Fix the issue by making the 'dac' regulator optional.
>
> Fixes: deb65870b5d9d ("drm/imx: imx-tve: check the value returned by regulator_set_voltage()")
> Cc: <stable at vger.kernel.org> # 4.8+
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>

Any comments, please?