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authorBanajit Goswami <banajit.g@samsung.com>2011-07-20 23:44:21 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-07-21 02:10:16 +0900
commitf00207b255f59ebedc5965c2ab0bd1cefae70f92 (patch)
treed9d977f50d4d2962990eb73f560d3d72b5b09cb3 /arch/arm/plat-samsung/include/plat/backlight.h
parent0665ccc4c3f229abe3eabe49f3f99763515cf0af (diff)
ARM: SAMSUNG: Create a common infrastructure for PWM backlight support
This patch creates a common structure for LCD backlight using PWM timer to be used by various Samsung boards. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/backlight.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/backlight.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/backlight.h b/arch/arm/plat-samsung/include/plat/backlight.h
new file mode 100644
index 00000000000..51d8da846a6
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/backlight.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/plat-samsung/include/plat/backlight.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_PLAT_BACKLIGHT_H
+#define __ASM_PLAT_BACKLIGHT_H __FILE__
+
+/* samsung_bl_gpio_info - GPIO info for PWM Backlight control
+ * @no: GPIO number for PWM timer out
+ * @func: Special function of GPIO line for PWM timer
+ */
+struct samsung_bl_gpio_info {
+ int no;
+ int func;
+};
+
+extern void samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+ struct platform_pwm_backlight_data *bl_data);
+
+#endif /* __ASM_PLAT_BACKLIGHT_H */