From mboxrd@z Thu Jan 1 00:00:00 1970 From: timur@tabi.org (Timur Tabi) Date: Wed, 13 Nov 2013 08:15:21 -0600 Subject: [alsa-devel] [PATCH] ASoC: fsl-ssi: fix SDMA starvation In-Reply-To: <20131113133841.GI30263@pengutronix.de> References: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> <52822529.5090502@tabi.org> <20131112132441.GG30263@pengutronix.de> <20131113121630.GH30263@pengutronix.de> <52837A59.5070508@tabi.org> <20131113133841.GI30263@pengutronix.de> Message-ID: <52838979.7060309@tabi.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Markus Pargmann wrote: > Is it necessary to keep TDMAE enabled the whole time? In the patch we > enable it when playback starts and disable when it stops, so the > communication between DMA and SSI shouldn't be disturbed. I will have to test it to be sure, but there's a risk that the bit won't be set early enough. I've seen weird problems like that on my board.