From mboxrd@z Thu Jan 1 00:00:00 1970 From: timur@freescale.com (Timur Tabi) Date: Fri, 16 Mar 2012 16:31:20 -0500 Subject: [alsa-devel] [PATCH v5 8/8] ASoC: fsl: add imx-sgtl5000 machine driver In-Reply-To: References: <1331888204-27058-1-git-send-email-shawn.guo@linaro.org> <1331888204-27058-9-git-send-email-shawn.guo@linaro.org> <20120316111814.GA7860@S2101-09.ap.freescale.net> <20120316192110.GH3158@opensource.wolfsonmicro.com> Message-ID: <4F63B128.7040705@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Trent Piepho wrote: > The ESAI and SSI hardware are totally different. SSI gives you a > playback and a record stream in an I2S, or I2S like, interface. A > stream is mono or stereo. ESAI has IIRC up to six output and four > inputs streams. Each stream is in parallel on the same clock, and can > have one or more channels. Are these channels on the same wire in a time-division multiplexing, or on six different wires? If it's a TDM, then the SSI can actually do this using "network mode", but I don't enable that in the driver, since it's not really I2S compliant. Well, this point is not really relevant to the discussion. -- Timur Tabi Linux kernel developer at Freescale