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

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: Peter Edwards (sweetlilmre)'s avatarPeter Edwards <>
Signed-off-by: default avatarEric Miao <>
Signed-off-by: default avatarRichard Purdie <>
parent 1a468ba1
......@@ -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");
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