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From: Nicolin Chen <b42378-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: timur-N01EOCouUvQ@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org,
	linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
	ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
	swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org,
	lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH 1/2] ARM: dts: imx: specify the value of audmux pinctrl instead of 0x80000000
Date: Fri, 15 Nov 2013 14:40:09 +0800	[thread overview]
Message-ID: <20131115064009.GD745@MrMyself> (raw)
In-Reply-To: <20131115064159.GG11014-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>

On Fri, Nov 15, 2013 at 02:42:01PM +0800, Shawn Guo wrote:
> On Thu, Nov 14, 2013 at 07:07:09PM +0800, Nicolin Chen wrote:
> > We must specify the value of audmux pinctrl if we want to use pinctrl_pm().
> > Thus change bypass value 0x80000000 to what we exactly need.
> > 
> > This patch also seperately unset PUE bit for TXD so that IOMUX won't pull
> > up/down the pin after turning into tristate. When we use SSI normal mode to
> > playback monaural audio via I2S signal, there'd be a pulled curve occur to
> > its signal at the second slot if setting PUE bit for TXD. And it will make
> > the second channel to play a constant noise. So by keeping the signal level
> > in the second slot, we can get a constant high level signal (-1) or a low
> > level one (0).
> > 
> > Signed-off-by: Nicolin Chen <b42378-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> > ---
> >  arch/arm/boot/dts/imx6qdl.dtsi | 22 +++++++++++-----------
> >  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> We have moved all pin groups settings into
> arch/arm/boot/dts/imx6qdl-pingrp.h.  I just rebased and applied the
> patch.  Please check my imx/dt branch and ensure I applied the changes
> correctly.

Simply perfect. Thank you.
Nicolin

---


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  parent reply	other threads:[~2013-11-15  6:40 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-14 11:07 [PATCH 0/2] Add monaural audio support for fsl_ssi.c Nicolin Chen
2013-11-14 11:07 ` [PATCH 1/2] ARM: dts: imx: specify the value of audmux pinctrl instead of 0x80000000 Nicolin Chen
     [not found]   ` <1384427230-979-2-git-send-email-b42378-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2013-11-15  6:42     ` Shawn Guo
     [not found]       ` <20131115064159.GG11014-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2013-11-15  6:40         ` Nicolin Chen [this message]
2013-11-14 11:07 ` [PATCH 2/2] ASoC: fsl_ssi: Add monaural audio support for non-ac97 interface Nicolin Chen
     [not found]   ` <1384427230-979-3-git-send-email-b42378-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2013-11-15 12:21     ` Russell King - ARM Linux
     [not found]       ` <20131115122107.GK16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-15 15:17         ` Nicolin Chen
     [not found] ` <1384427230-979-1-git-send-email-b42378-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2013-11-15  3:02   ` [PATCH 0/2] Add monaural audio support for fsl_ssi.c Shawn Guo
     [not found]     ` <20131115030247.GC11014-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2013-11-15  2:59       ` Nicolin Chen
2013-11-15  3:22         ` Shawn Guo
2013-11-15  3:15           ` Nicolin Chen

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