On 14 September 2011 12:34, javier Martin <javier.martin@xxxxxxxxxxxxxxxxx> wrote: > Hi, > I'm trying to add support for YUV420 format to mx2_camera.c soc-camera > host driver. > > In my system, an imx27_visstrim_m10 board, this host is connected to a > tvp5151 chip which is only > able to transfer pixels in this format through the media bus: > V4L2_MBUS_FMT_YUYV8_2X8. However, > imx27 eMMa has the possibility to get this data from the bus and > convert it to a YUV420 format on the fly. > > What is the right way to handle this properly in soc-camera? > > I've been analyzing some code related to the matter and it seems > "soc_camera_xlate_by_fourcc()" [1] > only supports raw formats from the sensor [2]. OK, I think I found a good example of this in the pxa driver. I post it here just in case someone has the same problem in a future: http://lxr.linux.no/#linux+v3.0.4/drivers/media/video/pxa_camera.c#L1246 -- Javier Martin Vista Silicon S.L. CDTUC - FASE C - Oficina S-345 Avda de los Castros s/n 39005- Santander. Cantabria. Spain +34 942 25 32 60 www.vista-silicon.com -- 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
