[alsa-devel] [PATCH] atmel ac97c: using software reset instead hardware reset if not available

[Takashi Iwai]

At Mon, 19 Dec 2011 17:57:52 +0800,
voice wrote:
> 
> Using software reset instead hardware reset if not available
> 
> Signed-off-by: Bo Shen <voice.shen at atmel.com>
> Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>

Applied now.  Thanks.


Takashi


> ---
>  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 6e5adde..73516f6 100644
> --- a/sound/atmel/ac97c.c
> +++ b/sound/atmel/ac97c.c
> @@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
>  		/* AC97 v2.2 specifications says minimum 1 us. */
>  		udelay(2);
>  		gpio_set_value(chip->reset_pin, 1);
> +	} else {
> +		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
> +		udelay(2);
> +		ac97c_writel(chip, MR, AC97C_MR_ENA);
>  	}
>  }
>  
> -- 
> 1.6.3.3
>