On 28/12/2015 11:44, Mason wrote: > Hello Mauro, > > Haven't heard back from you in a while. Maybe someone else can point > out what I'm doing wrong? > > On 17/12/2015 13:55, Mauro Carvalho Chehab wrote: > >> Mason wrote: >> >>> I have a TechnoTrend TT-TVStick CT2-4400v2 USB tuner, as described here: >>> http://linuxtv.org/wiki/index.php/TechnoTrend_TT-TVStick_CT2-4400 >>> >>> According to the article, the device is supported since kernel 3.19 >>> and indeed, if I use a 4.1 kernel, I can pick CONFIG_DVB_USB_DVBSKY >>> and everything seems to work. >>> >>> Unfortunately (for me), I've been asked to make this driver work on >>> an ancient 3.4 kernel. >> >> The goal is to allow compilation since 2.6.32, but please notice that >> not all drivers will go that far. Basically, when the backport seems too >> complex, we just remove the driver from the list of drivers that are >> compiled for a given legacy version. >> >> See the file v4l/versions.txt to double-check if the drivers you need >> have such restrictions. I suspect that, in the specific case of >> DVB_USB_DVBSKY, it should compile. > > Whatever options I pick for my 3.4 config, CONFIG_DVB_USB_DVBSKY remains > unset in v4l/.config > > $ grep -r DVB_USB_DVBSKY media_build/v4l/ > media_build/v4l/Kconfig:config DVB_USB_DVBSKY > media_build/v4l/Kconfig.kern: [snip config USB] > media_build/v4l/Kconfig.kern: [snip config I2C] > media_build/v4l/.myconfig:CONFIG_DVB_USB_DVBSKY := n > media_build/v4l/Makefile.media:obj-$(CONFIG_DVB_USB_DVBSKY) += dvb-usb-dvbsky.o > media_build/v4l/.config:# CONFIG_DVB_USB_DVBSKY is not set > > I suppose some prerequisite is missing? > Does anything obvious come to mind? > > I've resorted to interrupting the build and changing v4l/.config to > CONFIG_DVB_USB_DVBSKY=m (and the module is correctly built) but this > feels like an unnecessary hack. /tmp/sandbox/media_build$ make allmodconfig didn't add anything on top of what the vanilla 'make' did. $ make menuconfig make -C /tmp/sandbox/media_build/v4l menuconfig make[1]: Entering directory `/tmp/sandbox/media_build/v4l' /tmp/buildroot-2014.05-13/output/build/linux-custom/scripts/kconfig/mconf ./Kconfig ./Kconfig:519: syntax error ./Kconfig:518: unknown option "Say" ./Kconfig:519: unknown option "To" ./Kconfig:520: unknown option "called" ./Kconfig:523: syntax error ./Kconfig:522:warning: multi-line strings not supported ./Kconfig:522: unknown option "If" make[1]: *** [menuconfig] Error 1 make[1]: Leaving directory `/tmp/sandbox/media_build/v4l' make: *** [menuconfig] Error 2 I'll keep poking random knobs. Regards. -- 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