2012/1/6, Manuel Jander manuel.jander@gmail.com:
Hi,
thanks a lot. I tried your attached patch to 2.6.39 and in compiles and works OK as far as I can tell. I have not tested with 4 channel items though.
Best Regards, Manuel
On Fri, Jan 6, 2012 at 3:22 AM, Raymond Yau superquad.vortex2@gmail.com wrote:
[PATCH ] ALSA au88x0 - Fix IRQ fifo error and channels swap of 4 channels playback
- Fix IRQ fifo error when playing stereo by set stereo flag of fifo
control This also fix the swap of front and rear channels on au8830
The patch only fix "IRQ fifo error"
Still need the following patch to fix the channel swaping of 4 channels playback
Is there any reason to use vortex_adbdma_pausefifo() instead of vortex_adbdma_stopfifo() for SNDRV_PCM_TRIGGER_STOP event ?
Refer to page 28 of 6167465
Stereo flag 505(i) may be set or reset appropriately, depending on the type of DMA channel ... 505(c) The channel valid flag indicates that the particular has been activated and the appropriate sub-buffer table 380, FIFO control register 505 and FIFO 306 are active
[PATCH ALSA] Au88x0 - Fix channels swapping of 4 channels playback
- Fix channels swapping of 4 channels playback by using vortex_adbdma_stopfifo instead of vortex_adbdma_pausefifo for SNDRV_PCM_TRIGGER_STOP event