From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel@caiaq.de (Daniel Mack) Date: Thu, 22 Jul 2010 17:15:31 +0200 Subject: Kernel 2.6.33: PXA270 Audio does not resume after resume from suspend state In-Reply-To: References: Message-ID: <20100722151530.GI17833@buzzloop.caiaq.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Jun 08, 2010 at 10:38:36AM -0400, Shane Volpe wrote: > I have upgraded an embedded system (PXA270) to the 2.6.33 kernel (from > 2.6.23). Now when I run an audio program (ogg123) and put the system > into standby then wake the system up the audio does not work (continue > playing) after resume until I terminate ogg123 and start again. After > restarting ogg123 the audio works fine with out reseting the system or > changing anything else on the system. > > The system is using the UCB1400 AC97 codec and just as added > information when the audio is locked up, after resume, the touchscreen > on the system still works which is also controlled by the UCB1400 > audio codec. I have also tried several other audio players and the > results are the same. Has anyone else seen this bug and does anyone > have suggestions on further tests to perform to narrow down were the > bug may reside? I've had similar issues some time ago. However, we used I2S over SSP for our system, not AC97, and suspend/resume works fine now. You may have a look at commit 026384d614b ("ASoC: fix PXA SSP port resume") and check whether something similar must be done for the AC97 controller part. Daniel