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Commit b8cdd877 authored by Eric Miao's avatar Eric Miao Committed by Richard Purdie
Browse files

backlight: fix pwm_bl.c when multiple PWM backlights exist 



When multiple PWMs are used as backlights, the current code uses
pdev->name as the backlight name when registering, which will be
conflicting, use dev_name() instead.

Signed-off-by: default avatarPeter Edwards <sweetlilmre@gmail.com>
Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
Signed-off-by: default avatarRichard Purdie <rpurdie@linux.intel.com>
parent 1a468ba1

drivers/video/backlight/pwm_bl.c

+2 −2
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
 *

 * simple PWM based backlight control, board code has to setup

 * 1) pin configuration so PWM waveforms can output

 * 2) platform_data casts to the PWM id (0/1/2/3 on PXA)

 * 2) platform_data being correctly configured

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as
@@ -97,7 +97,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) 
	} else

		dev_dbg(&pdev->dev, "got pwm for backlight\n");



	bl = backlight_device_register(pdev->name, &pdev->dev,

	bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev,

			pb, &pwm_backlight_ops);

	if (IS_ERR(bl)) {

		dev_err(&pdev->dev, "failed to register backlight\n");