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drm/omap: tpd12s015: CT_CP_HPD as optional gpio 

tpd12s015 HW has LS_OE, CT_CP_HPD and HPD gpios. Out of these gpios,
driver only handled LS_OE as optional. The CT_CP_HPD gpio should also
be treated as optional gpio as it is just a power saving feature. Some
boards hardwire this gpio to be always enable. In this patch, all access
to CT_CP_HPD gpio is made optional.

Signed-off-by: Manisha Agrawal <manisha.agrawal@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Manisha Agrawal 2015-11-03 15:22:50 -06:00 committed by Tomi Valkeinen
parent 460543ba29
commit d8e316376c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
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@ -236,7 +236,7 @@ static int tpd_probe(struct platform_device *pdev)
return r;
gpio = devm_gpiod_get_index(&pdev->dev, NULL, 0,
gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 0,
GPIOD_OUT_LOW);
if (IS_ERR(gpio))
goto err_gpio;