Added missing tegra files.HEADmaster

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c
new file mode 100644
index 00000000000..20793951fca
--- /dev/null
+++ b/drivers/staging/gma500/backlight.c
@@ -0,0 +1,49 @@
+/*
+ * GMA500 Backlight Interface
+ *
+ * Copyright (c) 2009-2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Eric Knopp
+ *
+ */
+
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_intel_drv.h"
+#include "intel_bios.h"
+#include "power.h"
+
+int gma_backlight_init(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+        struct drm_psb_private *dev_priv = dev->dev_private;
+        return dev_priv->ops->backlight_init(dev);
+#else
+        return 0;
+#endif
+}
+
+void gma_backlight_exit(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+        struct drm_psb_private *dev_priv = dev->dev_private;
+        if (dev_priv->backlight_device) {
+                dev_priv->backlight_device->props.brightness = 0;
+                backlight_update_status(dev_priv->backlight_device);
+                backlight_device_unregister(dev_priv->backlight_device);
+        }
+#endif
+}