drm/i915/dsi: Fix chv_exec_gpio disabling the GPIOs it is setting
Set the CHV_GPIO_GPIOEN bit when updating GPIOs from chv_exec_gpio. Fixes: a0a6d4ff ("drm/i915/dsi: add support for gpio elements on CHV") Cc: stable@vger.kernel.org Cc: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: NHans de Goede <hdegoede@redhat.com> Reviewed-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161201202925.12220-3-hdegoede@redhat.comSigned-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
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