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Commit 02b80489 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: ls037v7dw01: remove platform backlight calls 



Sharp ls037v7dw01 driver contains support to call platform backlight
functions. These are not used by any board, and can be removed.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: default avatarArchit Taneja <archit@ti.com>
parent 058cc3bf

drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c

+0 −62
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ 
#include <linux/module.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <linux/backlight.h>

#include <linux/fb.h>

#include <linux/err.h>

#include <linux/slab.h>
@@ -28,7 +27,6 @@ 
#include <video/omapdss.h>



struct sharp_data {

	struct backlight_device *bl;

};



static struct omap_video_timings sharp_ls_timings = {
@@ -52,45 +50,10 @@ static struct omap_video_timings sharp_ls_timings = { 
	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,

};



static int sharp_ls_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 sharp_ls_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 sharp_ls_bl_ops = {

	.get_brightness = sharp_ls_bl_get_brightness,

	.update_status  = sharp_ls_bl_update_status,

};







static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)

{

	struct backlight_properties props;

	struct backlight_device *bl;

	struct sharp_data *sd;

	int r;



	dssdev->panel.timings = sharp_ls_timings;
@@ -100,37 +63,12 @@ static int sharp_ls_panel_probe(struct omap_dss_device *dssdev) 


	dev_set_drvdata(&dssdev->dev, sd);



	memset(&props, 0, sizeof(struct backlight_properties));

	props.max_brightness = dssdev->max_backlight_level;

	props.type = BACKLIGHT_RAW;



	bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev,

			&sharp_ls_bl_ops, &props);

	if (IS_ERR(bl)) {

		r = PTR_ERR(bl);

		kfree(sd);

		return r;

	}

	sd->bl = bl;



	bl->props.fb_blank = FB_BLANK_UNBLANK;

	bl->props.power = FB_BLANK_UNBLANK;

	bl->props.brightness = dssdev->max_backlight_level;

	r = sharp_ls_bl_update_status(bl);

	if (r < 0)

		dev_err(&dssdev->dev, "failed to set lcd brightness\n");



	return 0;

}



static void __exit sharp_ls_panel_remove(struct omap_dss_device *dssdev)

{

	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);

	struct backlight_device *bl = sd->bl;



	bl->props.power = FB_BLANK_POWERDOWN;

	sharp_ls_bl_update_status(bl);

	backlight_device_unregister(bl);



	kfree(sd);

}