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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>
This commit is contained in:
Archit Taneja 2013-02-13 14:50:21 +05:30 committed by Tomi Valkeinen
parent 02b804893a
commit 14e6a0918a
1 changed files with 0 additions and 74 deletions
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74
drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
View File

@ -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);