sh: kfr2r09: Use lv5207lp backlight

Replace the backlight callback with a lv5207lp backlight platform
device.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

3 files changed, 14 insertions, 55 deletions

diff --git a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
index c62050332629..355a78a3b313 100644
--- a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
+++ b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
@@ -276,51 +276,3 @@ void kfr2r09_lcd_start(void *sohandle, struct sh_mobile_lcdc_sys_bus_ops *so)
 {
         write_memory_start(sohandle, so);
 }
-
-#define CTRL_CKSW       0x10
-#define CTRL_C10        0x20
-#define CTRL_CPSW       0x80
-#define MAIN_MLED4      0x40
-#define MAIN_MSW        0x80
-
-int kfr2r09_lcd_set_brightness(int brightness)
-{
-        struct i2c_adapter *a;
-        struct i2c_msg msg;
-        unsigned char buf[2];
-        int ret;
-
-        a = i2c_get_adapter(0);
-        if (!a)
-                return -ENODEV;
-
-        buf[0] = 0x00;
-        if (brightness)
-                buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW;
-        else
-                buf[1] = 0;
-
-        msg.addr = 0x75;
-        msg.buf = buf;
-        msg.len = 2;
-        msg.flags = 0;
-        ret = i2c_transfer(a, &msg, 1);
-        if (ret != 1)
-                return -ENODEV;
-
-        buf[0] = 0x01;
-        if (brightness)
-                buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c;
-        else
-                buf[1] = 0;
-
-        msg.addr = 0x75;
-        msg.buf = buf;
-        msg.len = 2;
-        msg.flags = 0;
-        ret = i2c_transfer(a, &msg, 1);
-        if (ret != 1)
-                return -ENODEV;
-
-        return 0;
-}
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index ab502f12ef57..1df4398f8375 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -21,6 +21,7 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
+#include <linux/platform_data/lv5207lp.h>
 #include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
@@ -159,11 +160,6 @@ static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
                         .setup_sys = kfr2r09_lcd_setup,
                         .start_transfer = kfr2r09_lcd_start,
                 },
-                .bl_info = {
-                        .name = "sh_mobile_lcdc_bl",
-                        .max_brightness = 1,
-                        .set_brightness = kfr2r09_lcd_set_brightness,
-                },
                 .sys_bus_cfg = {
                         .ldmt2r = 0x07010904,
                         .ldmt3r = 0x14012914,
@@ -195,6 +191,17 @@ static struct platform_device kfr2r09_sh_lcdc_device = {
         },
 };
 
+static struct lv5207lp_platform_data kfr2r09_backlight_data = {
+        .fbdev = &kfr2r09_sh_lcdc_device.dev,
+        .def_value = 13,
+        .max_value = 13,
+};
+
+static struct i2c_board_info kfr2r09_backlight_board_info = {
+        I2C_BOARD_INFO("lv5207lp", 0x75),
+        .platform_data = &kfr2r09_backlight_data,
+};
+
 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
         .on_chip = 1,
 };
@@ -627,6 +634,8 @@ static int __init kfr2r09_devices_setup(void)
         gpio_request(GPIO_FN_SDHI0CMD, NULL);
         gpio_request(GPIO_FN_SDHI0CLK, NULL);
 
+        i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
+
         return platform_add_devices(kfr2r09_devices,
                                     ARRAY_SIZE(kfr2r09_devices));
 }
diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
index c20c9e5f5eab..79f154e5cb9c 100644
--- a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
+++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
@@ -4,13 +4,11 @@
 #include <video/sh_mobile_lcdc.h>
 
 #if defined(CONFIG_FB_SH_MOBILE_LCDC) || defined(CONFIG_FB_SH_MOBILE_LCDC_MODULE)
-int kfr2r09_lcd_set_brightness(int brightness);
 int kfr2r09_lcd_setup(void *sys_ops_handle,
                       struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 void kfr2r09_lcd_start(void *sys_ops_handle,
                        struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
 #else
-static int kfr2r09_lcd_set_brightness(int brightness) {}
 static int kfr2r09_lcd_setup(void *sys_ops_handle,
                                 struct sh_mobile_lcdc_sys_bus_ops *sys_ops)
 {