Duo/Uno/Ultimo, kernel 3.9.6. AverMedia Twinstar DVB-T twin tuner USB device, dvb-usb-af9035 driver.
Device wrongly recognized as single tuner.
Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_af9035: driver does not support 2nd tuner and will disable it
Message comes from here.
...
/* disable dual mode if driver does not support it */
if (i == 1)
switch (state->af9033_config[i].tuner) {
case AF9033_TUNER_FC0012:
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
case AF9033_TUNER_IT9135_60:
case AF9033_TUNER_IT9135_61:
case AF9033_TUNER_IT9135_62:
case AF9033_TUNER_MXL5007T:
break;
default:
state->dual_mode = false;
dev_info(&d->udev->dev,
"%s: driver does not support 2nd tuner and will disable it",
KBUILD_MODNAME);
}...
That code is from here.
http://git.linuxtv.org/cgit.cgi/media_tree.git/tree/drivers/media/usb/dvb-usb-v2/af9035.c
Someone patched this before in V4L driver in 2011. Looks like something similar is needed in V4L2 driver.
http://openpli.org/forums/topic/17333-v4l-dvb-patches/
Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: found a 'AVerMedia Twinstar (A825)' in cold state Jan 1 09:30:24 vuduo user.info kernel: usbcore: registered new interface driver dvb_usb_af9035 Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: downloading firmware from file 'dvb-usb-af9035-02.fw' Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_SET_STREAMTYPE 0 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_SELECT_SOURCE 1 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_PLAY 1 2 0 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_CONTINUE 1 1 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_CLEAR_BUFFER 1 1 0 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_STOP 0 1 Jan 1 09:30:24 vuduo user.warn kernel: [VID]: VIDEO_SELECT_SOURCE 0 Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_af9035: firmware version=12.5.13.0 Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: found a 'AVerMedia Twinstar (A825)' in warm state Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_af9035: driver does not support 2nd tuner and will disable it Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer Jan 1 09:30:24 vuduo user.info kernel: DVB: registering new adapter (AVerMedia Twinstar (A825)) Jan 1 09:30:24 vuduo user.info kernel: i2c i2c-0: af9033: firmware version: LINK=12.5.13.0 OFDM=6.8.13.0 Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: DVB: registering adapter 1 frontend 0 (Afatech AF9033 (DVB-T))... Jan 1 09:30:24 vuduo user.info kernel: mxl5007t 0-0060: creating new instance Jan 1 09:30:24 vuduo user.warn kernel: mxl5007t_get_chip_id: unknown rev (3f) Jan 1 09:30:24 vuduo user.info kernel: mxl5007t_get_chip_id: MxL5007T detected @ 0-0060 Jan 1 09:30:24 vuduo user.info kernel: Registered IR keymap rc-empty Jan 1 09:30:24 vuduo user.info kernel: input: AVerMedia Twinstar (A825) as /devices/platform/ehci-brcm.0/usb1/1-2/rc/rc0/input1 Jan 1 09:30:24 vuduo user.info kernel: rc0: AVerMedia Twinstar (A825) as /devices/platform/ehci-brcm.0/usb1/1-2/rc/rc0 Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: schedule remote query interval to 500 msecs Jan 1 09:30:24 vuduo user.info kernel: usb 1-2: dvb_usb_v2: 'AVerMedia Twinstar (A825)' successfully initialized and connected
Thanks for looking. 