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ALSA: snd-atmel-ac97c: cleanup registers when removing driver
author
Hans-Christian Egtvedt
<hans-christian.egtvedt@atmel.com>
Thu, 2 Apr 2009 06:21:16 +0000
(08:21 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 6 Apr 2009 01:55:50 +0000
(
03:55
+0200)
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>
sound/atmel/ac97c.c
patch
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diff --git
a/sound/atmel/ac97c.c
b/sound/atmel/ac97c.c
index
90527c1
..
4df9ca4
100644
(file)
--- a/
sound/atmel/ac97c.c
+++ b/
sound/atmel/ac97c.c
@@
-969,6
+969,10
@@
static int __devexit atmel_ac97c_remove(struct platform_device *pdev)
if (gpio_is_valid(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_put(chip->pclk);
iounmap(chip->regs);