From af437cfd355275a62e45ce8281ef5cc57c953bbc Mon Sep 17 00:00:00 2001
From: Corentin Chary <corentin.chary@gmail.com>
Date: Tue, 22 May 2012 10:29:46 +0100
Subject: [PATCH] drm/backlight: initialize struct backlight_properties
properly
The power field was never correctly initialized.
[airlied: just took the two drm specific bits]
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/i915/intel_panel.c | 1 +
drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 2b2e011e9055..2a1625d84a69 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -368,6 +368,7 @@ 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 42db254f6bb0..a0c82229e8f0 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,
--
2.20.1