ALSA: snd-atmel-ac97c: cleanup registers when removing driver
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>
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 90527c1..4df9ca4 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -969,6 +969,10 @@
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);