OMAPDSS: panel-dpi: enable-gpio

The enable gpio should be optional, but the driver returns an error if
it doesn't get the gpio.

So change the driver to accept -ENOENT error.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
This commit is contained in:
Tomi Valkeinen 2014-05-15 16:19:44 +03:00
parent d80e02ef34
commit c6e29d26df

View File

@ -210,14 +210,18 @@ static int panel_dpi_probe_of(struct platform_device *pdev)
struct gpio_desc *gpio;
gpio = devm_gpiod_get(&pdev->dev, "enable");
if (IS_ERR(gpio)) {
dev_err(&pdev->dev, "failed to parse enable gpio\n");
return PTR_ERR(gpio);
if (PTR_ERR(gpio) != -ENOENT)
return PTR_ERR(gpio);
else
gpio = NULL;
} else {
gpiod_direction_output(gpio, 0);
ddata->enable_gpio = gpio;
}
ddata->enable_gpio = gpio;
ddata->backlight_gpio = -ENOENT;
r = of_get_display_timing(node, "panel-timing", &timing);