diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-05-15 16:19:44 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-05-19 16:26:58 +0300 |
| commit | c6e29d26df52224182560e10acefad4e4d6fd1ed (patch) | |
| tree | 571472038320722eeb8e4d63005121cd84df11a1 | |
| parent | d80e02ef343379cfcef211ab4f042fc4a5b26100 (diff) | |
| download | op-kernel-dev-c6e29d26df52224182560e10acefad4e4d6fd1ed.zip op-kernel-dev-c6e29d26df52224182560e10acefad4e4d6fd1ed.tar.gz | |
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>
| -rw-r--r-- | drivers/video/fbdev/omap2/displays-new/panel-dpi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c b/drivers/video/fbdev/omap2/displays-new/panel-dpi.c index dca6b10..3636b61 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-dpi.c @@ -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); |
