linux-kernel - Re: FW: [PATCH] atmel ac97c: using software reset instead hardware reset if not available

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Message-ID: <s5h4nwwlwwh.wl%tiwai@suse.de>
Date:	Mon, 19 Dec 2011 10:43:10 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	"Shen, Voice" <Voice.Shen@...el.com>
Cc:	<linux-kernel@...r.kernel.org>, <linux-sound@...r.kernel.org>,
	<alsa-devel@...a-project.org>,
	"Egtvedt, Hans-Christian" <Hans-Christian.Egtvedt@...el.com>,
	"Ferre, Nicolas" <Nicolas.FERRE@...el.com>,
	"Lin, JM" <JM.Lin@...el.com>, "Xu, Hong" <Hong.Xu@...el.com>
Subject: Re: FW: [PATCH] atmel ac97c: using software reset instead hardware reset if not available

At Mon, 19 Dec 2011 10:49:00 +0800,
Shen, Voice wrote:
> 
> Hi Sir,
>   Add patch to Atmel AC97C.
> 
>   Object: using software reset instead hardware reset if not available

Could you repost with the patch so that it can be applied directly via
git-am?  I seem to have missed the original post during my traveling.
You can put the acked-by tag by Nicolas there, too.


thanks,

Takashi


> Best Regards,
> Voice Shen
> -----Original Message-----
> From: Nicolas Ferre [mailto:nicolas.ferre@...el.com] 
> Sent: Thursday, November 24, 2011 18:44 voice
> To: Shen, Voice
> Cc: linux-kernel@...r.kernel.org; linux-sound@...r.kernel.org; Lin, JM;
> Xu, Hong
> Subject: Re: [PATCH] atmel ac97c: using software reset instead hardware
> reset if not available
> 
> On 11/23/2011 11:05 AM, voice :
> > Using software reset instead hardware reset if not available
> > 
> > Signed-off-by: Bo Shen <voice.shen@...el.com>
> 
> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
> 
> You may need to sent it to the sound subsystem mailing-list and
> maintainers.
> 
> Anyway, I let you follow this patch... As it is a fixup and will benefit
> to existing platforms, I think that it can make its way to mainline
> during 3.2 phase.
> 
> Best regards,
> 
> > ---
> >  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);
> >  	}
> >  }
> >  
> -- 
> Nicolas Ferre
> 
--
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