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