pwm_backlight: Validate dft_brightness in main probe function
Move the dft_brightness validity check from the DT parsing function to the main probe. In this way we can validate it in case we are booting with or without DT. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
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@ -134,12 +134,6 @@ static int pwm_backlight_parse_dt(struct device *dev,
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if (ret < 0)
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return ret;
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if (value >= data->max_brightness) {
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dev_warn(dev, "invalid default brightness level: %u, using %u\n",
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value, data->max_brightness - 1);
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value = data->max_brightness - 1;
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}
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data->dft_brightness = value;
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data->max_brightness--;
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}
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@ -248,6 +242,13 @@ static int pwm_backlight_probe(struct platform_device *pdev)
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goto err_alloc;
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}
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if (data->dft_brightness > data->max_brightness) {
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dev_warn(&pdev->dev,
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"invalid default brightness level: %u, using %u\n",
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data->dft_brightness, data->max_brightness);
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data->dft_brightness = data->max_brightness;
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}
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bl->props.brightness = data->dft_brightness;
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backlight_update_status(bl);
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