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OMAPDSS: n8x0: remove platform backlight calls

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The n8x0 panel contains support to call platform backlight functions.
These are not used by any board, and can be removed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
This commit is contained in:
Tomi Valkeinen
2013-02-12 16:45:23 +05:30
parent 14e6a0918a
commit a4419f3eac
2 changed files with 0 additions and 76 deletions
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74
drivers/video/omap2/displays/panel-n8x0.c
View File

@@ -5,7 +5,6 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/spi/spi.h> #include <linux/spi/spi.h>
#include <linux/backlight.h>
#include <linux/fb.h> #include <linux/fb.h>
#include <video/omapdss.h> #include <video/omapdss.h>
@@ -69,7 +68,6 @@ static struct panel_drv_data {
struct omap_dss_device *dssdev; struct omap_dss_device *dssdev;
struct spi_device *spidev; struct spi_device *spidev;
struct backlight_device *bldev;
int blizzard_ver; int blizzard_ver;
} s_drv_data; } s_drv_data;
@@ -424,55 +422,10 @@ static const struct rfbi_timings n8x0_panel_timings = {
.cs_pulse_width = 0, .cs_pulse_width = 0,
}; };
static int n8x0_bl_update_status(struct backlight_device *dev)
{
struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata = get_drv_data(dssdev);
int r;
int level;
mutex_lock(&ddata->lock);
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
dev->props.power == FB_BLANK_UNBLANK)
level = dev->props.brightness;
else
level = 0;
dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
if (!bdata->set_backlight)
r = -EINVAL;
else
r = bdata->set_backlight(dssdev, level);
mutex_unlock(&ddata->lock);
return r;
}
static int n8x0_bl_get_intensity(struct backlight_device *dev)
{
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
dev->props.power == FB_BLANK_UNBLANK)
return dev->props.brightness;
return 0;
}
static const struct backlight_ops n8x0_bl_ops = {
.get_brightness = n8x0_bl_get_intensity,
.update_status = n8x0_bl_update_status,
};
static int n8x0_panel_probe(struct omap_dss_device *dssdev) static int n8x0_panel_probe(struct omap_dss_device *dssdev)
{ {
struct panel_n8x0_data *bdata = get_board_data(dssdev); struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata; struct panel_drv_data *ddata;
struct backlight_device *bldev;
struct backlight_properties props;
int r;
dev_dbg(&dssdev->dev, "probe\n"); dev_dbg(&dssdev->dev, "probe\n");
@@ -491,40 +444,13 @@ static int n8x0_panel_probe(struct omap_dss_device *dssdev)
dssdev->ctrl.rfbi_timings = n8x0_panel_timings; dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
memset(&props, 0, sizeof(props));
props.max_brightness = 127;
props.type = BACKLIGHT_PLATFORM;
bldev = backlight_device_register(dev_name(&dssdev->dev), &dssdev->dev,
dssdev, &n8x0_bl_ops, &props);
if (IS_ERR(bldev)) {
r = PTR_ERR(bldev);
dev_err(&dssdev->dev, "register backlight failed\n");
return r;
}
ddata->bldev = bldev;
bldev->props.fb_blank = FB_BLANK_UNBLANK;
bldev->props.power = FB_BLANK_UNBLANK;
bldev->props.brightness = 127;
n8x0_bl_update_status(bldev);
return 0; return 0;
} }
static void n8x0_panel_remove(struct omap_dss_device *dssdev) static void n8x0_panel_remove(struct omap_dss_device *dssdev)
{ {
struct panel_drv_data *ddata = get_drv_data(dssdev);
struct backlight_device *bldev;
dev_dbg(&dssdev->dev, "remove\n"); dev_dbg(&dssdev->dev, "remove\n");
bldev = ddata->bldev;
bldev->props.power = FB_BLANK_POWERDOWN;
n8x0_bl_update_status(bldev);
backlight_device_unregister(bldev);
dev_set_drvdata(&dssdev->dev, NULL); dev_set_drvdata(&dssdev->dev, NULL);
} }

2
include/video/omap-panel-data.h
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@@ -56,8 +56,6 @@ struct panel_n8x0_data {
void (*platform_disable)(struct omap_dss_device *dssdev); void (*platform_disable)(struct omap_dss_device *dssdev);
int panel_reset; int panel_reset;
int ctrl_pwrdown; int ctrl_pwrdown;
int (*set_backlight)(struct omap_dss_device *dssdev, int level);
}; };
/** /**