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Commit 14e6a091 authored by Archit Taneja's avatar Archit Taneja Committed by Tomi Valkeinen
Browse files

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: default avatarArchit Taneja <archit@ti.com>
parent 02b80489

drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c

+0 −74
Original line number Diff line number Diff line
@@ -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);