From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@deeprootsystems.com (Kevin Hilman) Date: Tue, 25 May 2010 08:30:28 -0700 Subject: [PATCH 3/6] davinci: edma: clear events in edma_start() In-Reply-To: <4BFBA100.4020805@windriver.com> (stanley miao's message of "Tue\, 25 May 2010 18\:05\:52 +0800") References: <1268841163-5868-1-git-send-email-khilman@deeprootsystems.com> <1268841163-5868-4-git-send-email-khilman@deeprootsystems.com> <4BFA6A22.1000006@windriver.com> <871vd16wic.fsf@deeprootsystems.com> <4BFBA100.4020805@windriver.com> Message-ID: <87fx1gov6z.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org "stanley.miao" writes: > Kevin Hilman wrote: >> >>>> >>>> >>> This patch causes that the sound can not work normally on OMAP_L138. >>> >>> >> >> Can you describe "can not work normally"? Does that mean simply does >> not work, or works with pops & clicks etc.? >> >> Just to clarify... how did you isolate it to this patch. >> >> If you revert just this patch on current davinci git, do you have >> working sound as you expect again? >> > Below is the test result: > > $/root> aplay audiodump.wav > Playing WAVE 'audiodump.wav' : Signed 16 bit Little Endian, Rate 44100 > Hz, Stereo > aplay: pcm_write:1269: write error: Input/output error > $/root> > > After revert it, the audio works fine. Thanks for clarifying. Kevin