[alsa-devel] [PATCH v2 7/9] snd-atmel-ac97c: cleanup registers when removing driver

[Hans-Christian Egtvedt]

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 at atmel.com>
---
 sound/atmel/ac97c.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

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 @@ 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);
-- 
1.5.6.3