From mboxrd@z Thu Jan 1 00:00:00 1970 From: b42378@freescale.com (Nicolin Chen) Date: Fri, 15 Nov 2013 14:40:09 +0800 Subject: [PATCH 1/2] ARM: dts: imx: specify the value of audmux pinctrl instead of 0x80000000 In-Reply-To: <20131115064159.GG11014@S2101-09.ap.freescale.net> References: <1384427230-979-1-git-send-email-b42378@freescale.com> <1384427230-979-2-git-send-email-b42378@freescale.com> <20131115064159.GG11014@S2101-09.ap.freescale.net> Message-ID: <20131115064009.GD745@MrMyself> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 > > --- > > 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 ---