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Commit da7a7471 authored by Richard Purdie's avatar Richard Purdie
Browse files

backlight: Minor code cleanups for corgi_bl.c 



Since people use this code as an example, clean it up to
to use platform_*_drvdata and remove an unneeded function.

Signed-off-by: default avatarRichard Purdie <rpurdie@rpsys.net>
parent 90968e8e

drivers/video/backlight/corgi_bl.c

+16 −14
Original line number Diff line number Diff line
@@ -61,17 +61,21 @@ static int corgibl_send_intensity(struct backlight_device *bd) 
}



#ifdef CONFIG_PM

static int corgibl_suspend(struct platform_device *dev, pm_message_t state)

static int corgibl_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct backlight_device *bd = platform_get_drvdata(pdev);



	corgibl_flags |= CORGIBL_SUSPENDED;

	corgibl_send_intensity(corgi_backlight_device);

	corgibl_send_intensity(bd);

	return 0;

}



static int corgibl_resume(struct platform_device *dev)

static int corgibl_resume(struct platform_device *pdev)

{

	struct backlight_device *bd = platform_get_drvdata(pdev);



	corgibl_flags &= ~CORGIBL_SUSPENDED;

	corgibl_send_intensity(corgi_backlight_device);

	corgibl_send_intensity(bd);

	return 0;

}

#else
@@ -84,12 +88,6 @@ static int corgibl_get_intensity(struct backlight_device *bd) 
	return corgibl_intensity;

}



static int corgibl_set_intensity(struct backlight_device *bd)

{

	corgibl_send_intensity(corgi_backlight_device);

	return 0;

}



/*

 * Called when the battery is low to limit the backlight intensity.

 * If limit==0 clear any limit, otherwise limit the intensity
@@ -107,7 +105,7 @@ EXPORT_SYMBOL(corgibl_limit_intensity); 


static struct backlight_properties corgibl_data = {

	.get_brightness = corgibl_get_intensity,

	.update_status  = corgibl_set_intensity,

	.update_status  = corgibl_send_intensity,

};



static int corgibl_probe(struct platform_device *pdev)
@@ -124,6 +122,8 @@ static int corgibl_probe(struct platform_device *pdev) 
	if (IS_ERR (corgi_backlight_device))

		return PTR_ERR (corgi_backlight_device);



	platform_set_drvdata(pdev, corgi_backlight_device);



	corgibl_data.power = FB_BLANK_UNBLANK;

	corgibl_data.brightness = machinfo->default_intensity;

	corgibl_send_intensity(corgi_backlight_device);
@@ -132,13 +132,15 @@ static int corgibl_probe(struct platform_device *pdev) 
	return 0;

}



static int corgibl_remove(struct platform_device *dev)

static int corgibl_remove(struct platform_device *pdev)

{

	struct backlight_device *bd = platform_get_drvdata(pdev);



	corgibl_data.power = 0;

	corgibl_data.brightness = 0;

	corgibl_send_intensity(corgi_backlight_device);

	corgibl_send_intensity(bd);



	backlight_device_unregister(corgi_backlight_device);

	backlight_device_unregister(bd);



	printk("Corgi Backlight Driver Unloaded\n");

	return 0;