backlight: atmel-pwm-bl: fix gpio polarity in remove
Make sure to honour gpio polarity also at remove so that the backlight is actually disabled on boards with active-low enable pin. Signed-off-by: Johan Hovold <jhovold@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 4 additions and 2 deletions
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@ -205,8 +205,10 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev)
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{
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struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev);
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if (pwmbl->gpio_on != -1)
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gpio_set_value(pwmbl->gpio_on, 0);
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if (pwmbl->gpio_on != -1) {
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gpio_set_value(pwmbl->gpio_on,
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0 ^ pwmbl->pdata->on_active_low);
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}
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pwm_channel_disable(&pwmbl->pwmc);
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pwm_channel_free(&pwmbl->pwmc);
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