On Mon, 26 Mar 2018 16:10:21 +0200, Stefan Roese wrote: > > When trying to use the driver (e.g. aplay *.wav), the 4MiB DMA buffer > will get mmapp'ed in 16KiB chunks. But this fails with the 2nd 16KiB > area, as the page offset is outside of the VMA range (size), which is > currently used as size parameter in snd_pcm_lib_default_mmap(). By > using the DMA buffer size (dma_bytes) instead, the complete DMA buffer > can be mmapp'ed and the issue is fixed. > > This issue was detected on an ARM platform (TI AM57xx) using the RME > HDSP MADI PCIe soundcard. > > Signed-off-by: Stefan Roese <sr@xxxxxxx> > Cc: Jaroslav Kysela <perex@xxxxxxxx> > Cc: Takashi Iwai <tiwai@xxxxxxxx> > Cc: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> Applied now. Thanks for catching this. It was an itchy bug that has been standing for long time. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
