OMAPDSS: NEC-nl8048hl11: remove platform backlight support

NEC-nl8048hl11 driver contains support to call platform backlight
functions. These are not used by any board, and can be removed.

Signed-off-by: Archit Taneja <archit@ti.com>

diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
index c4e9c2b..c197927 100644 (file)
--- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
+++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
@@ -19,7 +19,6 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/spi/spi.h>
-#include <linux/backlight.h>
 #include <linux/fb.h>
 
 #include <video/omapdss.h>
@@ -33,7 +32,6 @@
 #define LCD_PIXEL_CLOCK                23800
 
 struct nec_8048_data {
-       struct backlight_device *bl;
 };
 
 static const struct {
@@ -84,43 +82,9 @@ static struct omap_video_timings nec_8048_panel_timings = {
        .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
 };
 
-static int nec_8048_bl_update_status(struct backlight_device *bl)
-{
-       struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
-       int level;
-
-       if (!dssdev->set_backlight)
-               return -EINVAL;
-
-       if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
-                       bl->props.power == FB_BLANK_UNBLANK)
-               level = bl->props.brightness;
-       else
-               level = 0;
-
-       return dssdev->set_backlight(dssdev, level);
-}
-
-static int nec_8048_bl_get_brightness(struct backlight_device *bl)
-{
-       if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
-                       bl->props.power == FB_BLANK_UNBLANK)
-               return bl->props.brightness;
-
-       return 0;
-}
-
-static const struct backlight_ops nec_8048_bl_ops = {
-       .get_brightness = nec_8048_bl_get_brightness,
-       .update_status  = nec_8048_bl_update_status,
-};
-
 static int nec_8048_panel_probe(struct omap_dss_device *dssdev)
 {
-       struct backlight_device *bl;
        struct nec_8048_data *necd;
-       struct backlight_properties props;
-       int r;
 
        dssdev->panel.timings = nec_8048_panel_timings;
 
@@ -130,38 +94,12 @@ static int nec_8048_panel_probe(struct omap_dss_device *dssdev)
 
        dev_set_drvdata(&dssdev->dev, necd);
 
-       memset(&props, 0, sizeof(struct backlight_properties));
-       props.max_brightness = 255;
-
-       bl = backlight_device_register("nec-8048", &dssdev->dev, dssdev,
-                       &nec_8048_bl_ops, &props);
-       if (IS_ERR(bl)) {
-               r = PTR_ERR(bl);
-               kfree(necd);
-               return r;
-       }
-       necd->bl = bl;
-
-       bl->props.fb_blank = FB_BLANK_UNBLANK;
-       bl->props.power = FB_BLANK_UNBLANK;
-       bl->props.max_brightness = dssdev->max_backlight_level;
-       bl->props.brightness = dssdev->max_backlight_level;
-
-       r = nec_8048_bl_update_status(bl);
-       if (r < 0)
-               dev_err(&dssdev->dev, "failed to set lcd brightness\n");
-
        return 0;
 }
 
 static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
 {
        struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
-       struct backlight_device *bl = necd->bl;
-
-       bl->props.power = FB_BLANK_POWERDOWN;
-       nec_8048_bl_update_status(bl);
-       backlight_device_unregister(bl);
 
        kfree(necd);
 }
@@ -169,8 +107,6 @@ static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
 static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
 {
        int r;
-       struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
-       struct backlight_device *bl = necd->bl;
 
        if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
                return 0;
@@ -188,10 +124,6 @@ static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
                        goto err1;
        }
 
-       r = nec_8048_bl_update_status(bl);
-       if (r < 0)
-               dev_err(&dssdev->dev, "failed to set lcd brightness\n");
-
        return 0;
 err1:
        omapdss_dpi_display_disable(dssdev);
@@ -201,15 +133,9 @@ err0:
 
 static void nec_8048_panel_power_off(struct omap_dss_device *dssdev)
 {
-       struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
-       struct backlight_device *bl = necd->bl;
-
        if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
                return;
 
-       bl->props.brightness = 0;
-       nec_8048_bl_update_status(bl);
-
        if (dssdev->platform_disable)
                dssdev->platform_disable(dssdev);