"Sudhakar Rajashekhara" <[email protected]> writes: > Hi Stanley, > > On Tue, May 25, 2010 at 15:35:52, stanley.miao wrote: >> Kevin Hilman wrote: >> > <snip> >> >>> >> >>> >> >> 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. >> > > This patch works fine on DM644x which has McBSP but breaks audio on OMAP L138 > (as you had mentioned) which has McASP. Ideally McBSP/McASP should start after > EDMA is started. If not then this patch clears the EDMA event which is > actually > set by McBSP/McASP. As this patch is working fine on DM644x, I think there is > some issue in the audio driver which needs to be debugged.
In the mean time, I think it makes sense to revert $SUBJECT patch in davinci git until the audio driver is debugged. Kevin _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
