Dnia piątek, 14 września 2012 15:05:43 Peter Ujfalusi pisze: > Hello, > > Changes since v2: > - As it has been discussed the no_wakeup parameter has been replaced with flags > for the dmaengine APIs > > Changes since v1: > - Support for pause/resume for OMAP audio via dmaengine > - dmaengine: support for NO_PERIOD_WAKEUP in cyclic mode > - OMAP to keep supporting NO_PERIOD_WAKEUP for audio > - Other plaforms can also try to enable this mode since we have now generic > interface to do so. > > This series will switch the OMAP audio to use dmaengine. > The final patch which does the switch was based on Russell King's earlier patch. > > The first 10 patch is to prepare the OMAP audio drivers for a smooth change to > dmaengine: > - sDMA FRAME sync mode is removed and replaced with PACKET mode > - dai drivers no longer need to configure sDMA sync mode > - dai drivers does not need to specify the DMA word length - with the exception > of the omap-hdmi driver which requires 32bit word length regardless of the > audio format in use > - the McPDM driver used (to my surprise) hackish way of getting the DMA channel > and address - via defines from some header files > > After the conversion OMAP audio support should have the same features as before, > no regressions expected. > > I have tested the series on: > - BeagleBoard (audio via McBSP): > - aplay/arecord. In element mode and in threshold mode with different period > sizes > - mplayer -ao alsa: for direct ALSA access > - mplayer -ao pulse: via PulseAudio to test NO_PERIOD_WAKEUP feature > - OMAP4 Blaze (audio via McPDM and DMIC) > - aplay/arecord > - mplayer -ao alsa: for direct ALSA access > - mplayer -ao pulse: via PulseAudio to test NO_PERIOD_WAKEUP feature > > The patches has been generated against: > git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-3.7 > > Janusz: Can you retest this series on OMAP1 to be sure I have not broken it? Hi Peter, It looks like you haven't :-). For OMAP1: Tested-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx> Thanks, Janusz -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
