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Diffstat (limited to 'roms/u-boot/drivers/video/panel-uclass.c')
-rw-r--r--roms/u-boot/drivers/video/panel-uclass.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/video/panel-uclass.c b/roms/u-boot/drivers/video/panel-uclass.c
new file mode 100644
index 000000000..246d1b283
--- /dev/null
+++ b/roms/u-boot/drivers/video/panel-uclass.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2016 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <panel.h>
+
+int panel_enable_backlight(struct udevice *dev)
+{
+ struct panel_ops *ops = panel_get_ops(dev);
+
+ if (!ops->enable_backlight)
+ return -ENOSYS;
+
+ return ops->enable_backlight(dev);
+}
+
+/**
+ * panel_set_backlight - Set brightness for the panel backlight
+ *
+ * @dev: Panel device containing the backlight to update
+ * @percent: Brightness value (0=off, 1=min brightness,
+ * 100=full brightness)
+ * @return 0 if OK, -ve on error
+ */
+int panel_set_backlight(struct udevice *dev, int percent)
+{
+ struct panel_ops *ops = panel_get_ops(dev);
+
+ if (!ops->set_backlight)
+ return -ENOSYS;
+
+ return ops->set_backlight(dev, percent);
+}
+
+int panel_get_display_timing(struct udevice *dev,
+ struct display_timing *timings)
+{
+ struct panel_ops *ops = panel_get_ops(dev);
+
+ if (!ops->get_display_timing)
+ return -ENOSYS;
+
+ return ops->get_display_timing(dev, timings);
+}
+
+UCLASS_DRIVER(panel) = {
+ .id = UCLASS_PANEL,
+ .name = "panel",
+};