From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Chen Subject: Re: [alsa-devel] [PATCH 2/3] ASoC: DaVinci: pcm, rename variables in prep for ping/pong Date: Tue, 29 Sep 2009 17:25:25 -0500 Message-ID: <1254263125.3160.76.camel@linux-1lbu> References: <1251761505-11353-1-git-send-email-troy.kisky@boundarydevices.com> <1251761505-11353-2-git-send-email-troy.kisky@boundarydevices.com> <20090902220152.GB4495@sirena.org.uk> <4A9F0A8C.1040509@boundarydevices.com> <4AA0113D.9030605@boundarydevices.com> <4AC28588.9030802@boundarydevices.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4AC28588.9030802-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org Errors-To: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org To: Troy Kisky Cc: "davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org" , "alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org" List-Id: alsa-devel@alsa-project.org On Tue, 2009-09-29 at 15:09 -0700, Troy Kisky wrote: > > > > Troy, do you have any theory yet on why your patch should permanently swap > > channels? > > > Memory in 16 bit samples > L1,R1,L2,R2 > > Shifting out in 16 bit samples > L1,R1,L2,R2 > > > Memory in 32 bit samples > R1L1,R2L2,R3L3 > > Shifting out in 32 bit samples > R1L1,R2L2 > > Codec sees 16 bit samples > R1,L1,R2,L2 > If that is the case, wouldn't we see the channel swap on DM644x as well? >>From Sekhar's earlier e-mail, the channel swap appears specific to DM355 EVM. Steve