On Mon, Jul 28, 2014 at 12:29 PM, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > Hi Enrico, > > On Monday 28 July 2014 10:30:17 Enrico wrote: >> On Mon, Jul 28, 2014 at 9:20 AM, Sakari Ailus <sakari.ailus@xxxxxx> wrote: >> > On Thu, Jul 24, 2014 at 05:57:30PM +0200, Enrico wrote: >> >> On Thu, Jul 24, 2014 at 5:34 PM, Michael Dietschi wrote: >> >>> Hello, >> >>> >> >>> I have built a Poky image for Gumstix Overo and added support for a >> >>> TVP5151 module like described here http://www.sleepyrobot.com/?p=253. >> >>> It does work well with an Overo board which hosts an OMAP3530 SoC. But >> >>> when I try with an Overo hosting a DM3730 it does not work: yavta just >> >>> seems to wait forever :( >> >>> >> >>> I did track it down to the point that IRQ0STATUS_CCDC_VD0_IRQ seems >> >>> never be set but always IRQ0STATUS_CCDC_VD1_IRQ >> > >> > VD1 takes place in 2/3 of the frame, and VD0 in the beginning of the last >> > line. You could check perhaps if you do get VD0 if you set it to take >> > place on the previous line (i.e. the register value being height - 3; >> > please see ccdc_configure() in ispccdc.c). >> > >> > I have to admit I haven't used the parallel interface so perhaps others >> > could have more insightful comments on how to debug this. >> > >> >> > Can someone please give me a hint? >> >> >> >> It's strange that you get the vd1_irq because it should not be set by >> >> the driver and never trigger... >> > >> > Both VD0 and VD1 are used by the omap3isp driver, but in different points >> > of the frame. >> >> Hi Sakari, >> >> that's true in "normal" mode, but with bt656 patches VD1 is not used. > > That's not correct, VD1 is used in both modes. In BT.656 mode VD1 is even used > to increment the frame counter in place of the HS_VS interrupt. ...in your new patches. But sleepyrobot's are the old ones and i bet Michael is using those patches. Enrico -- 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
