Re: [PATCH] backlight: initialize struct backlight_properties properly

From: Jingoo Han
Date: Mon May 21 2012 - 20:07:55 EST


On Mon, May 21, 2012 at 04:25 PM +0000, Corentin Chary wrote:

>
> In all these files, the .power field was never correctly initialized.
>
> Signed-off-by: Corentin Chary <corentin.chary@xxxxxxxxx>

It looks good.

Best regards,
Jingoo Han

> ---
> drivers/gpu/drm/i915/intel_panel.c | 1 +
> drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
> drivers/platform/x86/toshiba_acpi.c | 1 +
> drivers/video/backlight/da903x_bl.c | 1 +
> drivers/video/backlight/pcf50633-backlight.c | 1 +
> drivers/video/backlight/wm831x_bl.c | 1 +
> drivers/video/omap2/displays/panel-acx565akm.c | 1 +
> 7 files changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index 48177ec..ec4a1e0 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -342,6 +342,7 @@ int intel_panel_setup_backlight(struct drm_device *dev)
> else
> return -ENODEV;
>
> + memset(&props, 0, sizeof(props));
> props.type = BACKLIGHT_RAW;
> props.max_brightness = intel_panel_get_max_backlight(dev);
> dev_priv->backlight =
> diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> index 42db254..a0c8222 100644
> --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> @@ -369,6 +369,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
> goto error;
> }
>
> + memset(&props, 0, sizeof(props));
> props.max_brightness = MAX_RADEON_LEVEL;
> props.type = BACKLIGHT_RAW;
> bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
> diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
> index bde32de..d680bb2 100644
> --- a/drivers/platform/x86/toshiba_acpi.c
> +++ b/drivers/platform/x86/toshiba_acpi.c
> @@ -1095,6 +1095,7 @@ static int __devinit toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
> ret = get_tr_backlight_status(dev, &enabled);
> dev->tr_backlight_supported = !ret;
>
> + memset(&props, 0, sizeof(props));
> props.type = BACKLIGHT_PLATFORM;
> props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
>
> diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
> index 30e1968..573c7ec 100644
> --- a/drivers/video/backlight/da903x_bl.c
> +++ b/drivers/video/backlight/da903x_bl.c
> @@ -136,6 +136,7 @@ static int da903x_backlight_probe(struct platform_device *pdev)
> da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2,
> DA9034_WLED_ISET(pdata->output_current));
>
> + memset(&props, 0, sizeof(props));
> props.type = BACKLIGHT_RAW;
> props.max_brightness = max_brightness;
> bl = backlight_device_register(pdev->name, data->da903x_dev, data,
> diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
> index c65853c..c092159 100644
> --- a/drivers/video/backlight/pcf50633-backlight.c
> +++ b/drivers/video/backlight/pcf50633-backlight.c
> @@ -111,6 +111,7 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
> if (!pcf_bl)
> return -ENOMEM;
>
> + memset(&bl_props, 0, sizeof(bl_props));
> bl_props.type = BACKLIGHT_RAW;
> bl_props.max_brightness = 0x3f;
> bl_props.power = FB_BLANK_UNBLANK;
> diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
> index 5d365de..9e5517a 100644
> --- a/drivers/video/backlight/wm831x_bl.c
> +++ b/drivers/video/backlight/wm831x_bl.c
> @@ -194,6 +194,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
> data->current_brightness = 0;
> data->isink_reg = isink_reg;
>
> + memset(&props, 0, sizeof(props));
> props.type = BACKLIGHT_RAW;
> props.max_brightness = max_isel;
> bl = backlight_device_register("wm831x", &pdev->dev, data,
> diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-
> acx565akm.c
> index d26f37a..74e7cf0 100644
> --- a/drivers/video/omap2/displays/panel-acx565akm.c
> +++ b/drivers/video/omap2/displays/panel-acx565akm.c
> @@ -532,6 +532,7 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
>
> /*------- Backlight control --------*/
>
> + memset(&props, 0, sizeof(props));
> props.fb_blank = FB_BLANK_UNBLANK;
> props.power = FB_BLANK_UNBLANK;
> props.type = BACKLIGHT_RAW;
> --
> 1.7.9.5
>
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