Em Fri, 29 Jan 2016 10:10:50 -0200 Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> escreveu: > This series add MC support to the em28xx driver. Among the hybrid TV USB > drivers, this is the most complex one, as there are lots of different hardware > options that are compatible with this driver. > > Yet, it is used with only two analog TV demod drivers (tvp5150 and saa7115) > and, optionally, one IF-PLL audio decoder (msp3400). It means that there aren't > many I2C drivers that need to be touched. > > The PCI drivers are a way more complex, as they may have audio processors and > may use a wide range of other I2C drivers. So, it is wise to implement MC support > at em28xx before those, as it helps to address some issues before extending > MC to the wild. > > The two patches in this series are actually unrelated to MC. The first one is a cleanup > at em28xx, and the second patch fixes one KASAN error. > > The next patches make the Media Controller aware of the existence of IF-PLL > drivers, commonly found on older designs. They also standardize the pad index > for tuners, IF-PLLs and demods. > > Finally, MC support for tda9887, tvp5150, saa7115 and msp3400 is added, making > those drivers to properly report the MC function supported by the driver and > creating the source/sink pads for them. > > The last patch finally add em28xx MC support. > > I opted to not add any helper function for now at v4l2-mc.c, putting all needed code > at em28xx, because I didn't want to cause hard to find conflicts with Shuah's patches, > that are touching the routines at au0828. After having Shuah patches merged, I'll > work to move the generic code to v4l2-mc.c (yet to be created). > > This series was tested on the following devices: > > Hauppauge HVR-950 (2040:6513): > https://mchehab.fedorapeople.org/mc-next-gen/hvr_950.png > > Haupauge WinTV USB2 (2040:4200): > https://mchehab.fedorapeople.org/mc-next-gen/wintv_usb2.png > > KWorld USB ATSC TV Stick UB435-Q V3 (1b80:e34c): > https://mchehab.fedorapeople.org/mc-next-gen/kworld_435q.png > > PCTV 261e (2013:0258): > https://mchehab.fedorapeople.org/mc-next-gen/pctv_261e.png > > PCTV 290e (2013:024f): > https://mchehab.fedorapeople.org/mc-next-gen/pctv_290e.png > > Pixelview PlayTV USB2 (eb1a:2821): > https://mchehab.fedorapeople.org/mc-next-gen/playtv_usb.png > > (an extra patch was needed for it to detect the tuner - I'll send it in separate) Tested also on a pure S-Video/Composite capture card: Terratec Grabster AV350 (0ccd:0084): https://mchehab.fedorapeople.org/mc-next-gen/terratec_av350.png This board actually have also a Scart interface, but switching between Scart and Video is done via a manual switch. So, the driver is actually unable to detect if the input is coming from Composite/S-Video or from scart. Regards, Mauro -- 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
