Hi Ezequiel, On 03/02/2016 03:30 PM, Ezequiel Garcia wrote: > This commit introduces the support for the Techwell TW686x video > capture IC. This hardware supports a few DMA modes, including > scatter-gather and frame (contiguous). > > This commit makes little use of the DMA engine and instead has > a memcpy based implementation. DMA frame and scatter-gather modes > support may be added in the future. > > Currently supported chips: > - TW6864 (4 video channels), > - TW6865 (4 video channels, not tested, second generation chip), > - TW6868 (8 video channels but only 4 first channels using > built-in video decoder are supported, not tested), > - TW6869 (8 video channels, second generation chip). > > Cc: Krzysztof Hałasa <khalasa@xxxxxxx> > Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> I've tested this with my PCIe tw6869 card (arrived this week). Video is fine, but only the first audio input is available. I suspect you have only one audio input? Regarding the memcpy: if you have a patch for me that reverts back to a non-memcpy situation, then I can do duration tests for you. Unless you've ordered one of these PCIe cards yourself? Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
