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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2015-05-28 11:05:15 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2015-06-03 12:41:53 +0300
commitca8c67dafdb7eb543015f1f84bb73f4454e41ca6 (patch)
tree517e5e5eae5e4ef3c2711ebba98796f8847ebefd /drivers/video/fbdev/omap2/displays-new/panel-dpi.c
parent9ccfc4aa6939b06c7d0cd1de04949be1eb2b0836 (diff)
downloadlinux-ca8c67dafdb7eb543015f1f84bb73f4454e41ca6.tar.xz
fbdev: omap2: improve usage of gpiod API
Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions) which appeared in v3.17-rc1, the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for output. Also make use of gpiod_get*_optional where applicable. Apart from simplification of the affected drivers this is another step towards making the flags argument to gpiod_get*() mandatory. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/fbdev/omap2/displays-new/panel-dpi.c')
-rw-r--r--drivers/video/fbdev/omap2/displays-new/panel-dpi.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c b/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
index eb8fd8140ad0..f7be3489f744 100644
--- a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
+++ b/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
@@ -209,16 +209,9 @@ static int panel_dpi_probe_of(struct platform_device *pdev)
struct videomode vm;
struct gpio_desc *gpio;
- gpio = devm_gpiod_get(&pdev->dev, "enable");
-
- if (IS_ERR(gpio)) {
- if (PTR_ERR(gpio) != -ENOENT)
- return PTR_ERR(gpio);
- else
- gpio = NULL;
- } else {
- gpiod_direction_output(gpio, 0);
- }
+ gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
ddata->enable_gpio = gpio;