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From: Nicolin Chen <b42378@freescale.com>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	alsa-devel@alsa-project.org, linux@arm.linux.org.uk,
	pawel.moll@arm.com, ijc+devicetree@hellion.org.uk,
	lgirdwood@gmail.com, swarren@wwwdotorg.org, timur@tabi.org,
	rob.herring@calxeda.com, linux-kernel@vger.kernel.org,
	broonie@kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.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@S2101-09.ap.freescale.net>

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@freescale.com>
> > ---
> >  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

---

  reply	other threads:[~2013-11-15  6:49 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
2013-11-15  6:42   ` Shawn Guo
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
2013-11-15 12:21   ` Russell King - ARM Linux
2013-11-15 15:17     ` Nicolin Chen
2013-11-15  3:02 ` [PATCH 0/2] Add monaural audio support for fsl_ssi.c Shawn Guo
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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