On Mon, 9 Mar 2009 08:05:11 +0100 "Nurkkala Eero.An (EXT-Offcode/Oulu)" <[email protected]> wrote:
> From: Eero Nurkkala <[email protected]> > > McBSP fclk must be maintained for the duration of > audio playback or recording. Otherwise the fclk > may get autogated when the PER96M clk is no longer > required by other modules. This results in audio > playback being hang. Fix this phenomenom by > enabling the McBSP fclk clockactivity bit for > the entire active duration of McBSP usage > ... > w = OMAP_MCBSP_READ(mcbsp->io_base, SYSCON); > - w &= ~(ENAWAKEUP | SIDLEMODE(0x03)); > - w |= (ENAWAKEUP | SIDLEMODE(0x02)); > + w &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY > (0x03)); > + w |= (ENAWAKEUP | SIDLEMODE(0x02) | CLOCKACTIVITY > (0x01)); OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, w); > Looks like a valid change eventhough haven't tested the actual problem. Would it be possible with the PM branch and Beagle now? Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
