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ALSA: snd-atmel-ac97c: cleanup registers when removing driver

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This patch will set the channel A and control channel mode register to
zero before disabling the AC97C peripheral.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Hans-Christian Egtvedt 2009-04-02 08:21:16 +02:00 committed by Takashi Iwai
parent 81baf3a7f6
commit bd74a1843e
1 changed files with 4 additions and 0 deletions
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4
sound/atmel/ac97c.c
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@ -969,6 +969,10 @@ static int __devexit atmel_ac97c_remove(struct platform_device *pdev)
if (gpio_is_valid(chip->reset_pin)) if (gpio_is_valid(chip->reset_pin))
gpio_free(chip->reset_pin); gpio_free(chip->reset_pin);
ac97c_writel(chip, CAMR, 0);
ac97c_writel(chip, COMR, 0);
ac97c_writel(chip, MR, 0);
clk_disable(chip->pclk); clk_disable(chip->pclk);
clk_put(chip->pclk); clk_put(chip->pclk);
iounmap(chip->regs); iounmap(chip->regs);