On Mon, Jun 20, 2011 at 10:55 PM, Rune Evjen <rune.evjen@xxxxxxxxx> wrote: > 2011/6/20 Markus Rechberger <mrechberger@xxxxxxxxx>: >> On Mon, Jun 20, 2011 at 9:29 PM, Rune Evjen <rune.evjen@xxxxxxxxx> wrote: >>> 2011/6/12 Antti Palosaari <crope@xxxxxx>: >>>> On 06/12/2011 11:23 AM, Rune Evjen wrote: >>>>> >>>>> I just tested a PCTV 290e device using the latest media_build drivers >>>>> in MythTV as a DVB-C device, and ran into some problems. >>>>> >>>>> The adapter is recognized by the em28xx-dvb driver [1] and dmesg >>>>> output seems to be correct [2]. I can successfully scan for channels >>>>> using the scan utility in dvb-apps but when I try to scan for channels >>>>> in mythtv I get the following errors logged by mythtv-setup: >>>>> >>>>> 2011-06-12 00:57:20.971556 PIDInfo(/dev/dvb/adapter0/ >>>>> frontend1): Failed to open demux device /dev/dvb/adapter0/demux1 for >>>>> filter on pid 0x0 >>>>> >>>>> The demux1 does not exist, I only have the following nodes under >>>>> /dev/dvb/adapter0: >>>>> >>>>> demux0 dvr0 frontend0 frontend1 net0 >>>>> >>>>> When searching the linx-media I came across this thread: >>>>> http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg31839.html >>>>> >>>>> Is there any way to circumvent with the current driver that there is >>>>> no corresponding demux1 for frontend1? >>>>> Or can the DVB-T/T2 part be disabled somehow so that there is only one >>>>> DVB-C frontend registered which corresponds to the demux0? >>>> >>>> There is no way to say driver to create demux1 for frontend1. >>>> >>>> After all it is not 100% clear even for me if that's correct or not, but >>>> most likely it is correct as far as I understood. >>>> >>> Thank you for your response, Antti. >>> Your help is much appreciated. >>> >>> I have tested the 290e as a DVB-C adapter with some success, to use it >>> I created a new adapter directory under /dev/dvb, and symlinked the >>> following: >>> ln -s /dev/dvb/adapter0/frontend1 /dev/dvb/adapter1/frontend0 >>> ln -s /dev/dvb/adapter0/demux0 /dev/dvb/adapter1/demux0 >>> ln -s /dev/dvb/adapter0/dvr0 /dev/dvb/adapter1/dvr0 >>> >>> When testing I can scan using the scan utility and mythtv, and receive >>> QAM-64 channels. >>> QAM-256 channels have distorted audio and video. >>> >>> I tried to investigate the QAM-256 problem using the debug option on >>> cxd2820r, but when this option is enabled I get no lock using mythtv >>> or the scan utility. >>> >>> This also happened intermittently without the debug option, and when I >>> get the "no lock" status, the only way to solve this is to shutdown >>> and start the computer (i.e not rebooting) to make sure the 290e gets >>> a power cycle (and it seems that the debug option also has to be off, >>> at least this is my experience after 3-4 power cycles with and without >>> this option). >>> >>> I have attached the syslog output with failed locks [1] generated by >>> the debug option in case this may help with the driver development. >>> >>> Best regards, >>> >>> Rune >>> >>> [1]: syslog output when performing a scan using the scan utility: >>> Jun 20 21:04:21 server kernel: [ 711.180370] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:21 server kernel: [ 711.180375] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.380429] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.380436] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.381308] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:22 server kernel: [ 711.581398] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.581403] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.582206] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:22 server kernel: [ 711.731275] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.731281] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.732101] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:22 server kernel: [ 711.732108] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.732112] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.732118] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:22 server kernel: [ 711.732123] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.792010] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.792017] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.792863] cxd2820r: >>> cxd2820r_read_status_c: lock=04 52 >>> Jun 20 21:04:22 server kernel: [ 711.992944] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 711.992949] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 711.993769] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:22 server kernel: [ 712.194200] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:22 server kernel: [ 712.194207] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:22 server kernel: [ 712.195052] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.291281] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.291285] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.292073] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.292079] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.292083] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.292088] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:23 server kernel: [ 712.292093] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.395130] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.395135] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.395960] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.596040] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.596044] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.596867] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.796947] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.796951] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.797775] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.851274] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.851279] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.852033] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 712.852038] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.852042] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.852047] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:23 server kernel: [ 712.852051] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.997852] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 712.997857] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 712.998683] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 713.198774] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 713.198782] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 713.199591] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:23 server kernel: [ 713.199668] cxd2820r: >>> cxd2820r_get_tune_settings: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 713.199673] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 713.199700] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:23 server kernel: [ 713.199708] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:23 server kernel: [ 713.199713] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:23 server kernel: [ 713.199719] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.399764] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.399770] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 713.400623] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:24 server kernel: [ 713.600699] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.600703] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 713.601556] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:24 server kernel: [ 713.750028] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.750033] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 713.750803] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:24 server kernel: [ 713.750809] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.750813] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 713.750818] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:24 server kernel: [ 713.750823] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.813083] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 713.813091] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 713.813939] cxd2820r: >>> cxd2820r_read_status_c: lock=04 52 >>> Jun 20 21:04:24 server kernel: [ 714.014015] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:24 server kernel: [ 714.014020] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:24 server kernel: [ 714.014846] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.214938] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.214946] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.215754] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.311277] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.311282] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.312143] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.312149] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.312153] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.312159] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:25 server kernel: [ 714.312163] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.415831] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.415836] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.416660] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.616734] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.616739] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.617568] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.817644] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.817649] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.818475] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.870123] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.870128] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.870984] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:25 server kernel: [ 714.870989] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 714.870993] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 714.870997] cxd2820r: >>> cxd2820r_set_frontend_c: RF=450000000 SR=6950000 >>> Jun 20 21:04:25 server kernel: [ 714.871002] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 715.018554] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:25 server kernel: [ 715.018558] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:25 server kernel: [ 715.019383] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:26 server kernel: [ 715.219470] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.219477] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.220291] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:26 server kernel: [ 715.220363] cxd2820r: >>> cxd2820r_get_tune_settings: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.220367] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.220403] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.220410] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.220416] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:26 server kernel: [ 715.220421] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.420455] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.420460] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.421330] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:26 server kernel: [ 715.621409] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.621413] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.622230] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:26 server kernel: [ 715.781273] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.781277] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.782131] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:26 server kernel: [ 715.782137] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.782141] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.782146] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:26 server kernel: [ 715.782151] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.843040] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 715.843048] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 715.843892] cxd2820r: >>> cxd2820r_read_status_c: lock=04 52 >>> Jun 20 21:04:26 server kernel: [ 716.043968] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:26 server kernel: [ 716.043973] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:26 server kernel: [ 716.044798] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.244887] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.244894] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.245707] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.341278] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.341283] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.342096] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.342102] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.342106] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.342111] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:27 server kernel: [ 716.342116] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.445785] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.445790] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.446613] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.646688] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.646693] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.647521] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.847594] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.847599] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.848428] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.901281] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.901285] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.902062] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:27 server kernel: [ 716.902067] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 716.902071] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 716.902075] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:27 server kernel: [ 716.902080] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 717.048508] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:27 server kernel: [ 717.048513] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:27 server kernel: [ 717.049335] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:28 server kernel: [ 717.249425] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.249432] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.250242] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:28 server kernel: [ 717.250317] cxd2820r: >>> cxd2820r_get_tune_settings: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.250322] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.250352] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.250359] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.250365] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:28 server kernel: [ 717.250370] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.450404] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.450409] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.451150] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:28 server kernel: [ 717.651228] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.651233] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.652058] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:28 server kernel: [ 717.801289] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.801296] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.802082] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:28 server kernel: [ 717.802089] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.802094] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.802100] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:28 server kernel: [ 717.802105] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.863117] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 717.863124] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 717.863968] cxd2820r: >>> cxd2820r_read_status_c: lock=04 52 >>> Jun 20 21:04:28 server kernel: [ 718.064051] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:28 server kernel: [ 718.064056] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:28 server kernel: [ 718.064873] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.264961] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.264969] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.265783] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.361273] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.361277] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.362046] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.362052] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.362056] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.362063] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:29 server kernel: [ 718.362068] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.465860] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.465865] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.466688] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.666765] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.666769] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.667596] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.867673] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.867677] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.868504] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.920621] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.920629] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.921388] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:29 server kernel: [ 718.921394] cxd2820r: >>> cxd2820r_set_frontend: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 718.921398] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 718.921403] cxd2820r: >>> cxd2820r_set_frontend_c: RF=474000000 SR=6950000 >>> Jun 20 21:04:29 server kernel: [ 718.921407] cxd2820r: cxd2820r_gpio: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 719.068584] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:29 server kernel: [ 719.068589] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:29 server kernel: [ 719.069411] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:30 server kernel: [ 719.269498] cxd2820r: >>> cxd2820r_read_status: delsys=1 >>> Jun 20 21:04:30 server kernel: [ 719.269505] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:30 server kernel: [ 719.270320] cxd2820r: >>> cxd2820r_read_status_c: lock=05 52 >>> Jun 20 21:04:30 server kernel: [ 719.480741] cxd2820r: cxd2820r_sleep: delsys=1 >>> Jun 20 21:04:30 server kernel: [ 719.480745] cxd2820r: cxd2820r_lock: >>> active_fe=1 >>> Jun 20 21:04:30 server kernel: [ 719.480749] cxd2820r: cxd2820r_sleep_c >>> Jun 20 21:04:30 server kernel: [ 719.482603] cxd2820r: >>> cxd2820r_unlock: active_fe=1 >> >> to tell the difference the amplifier is for DVB-T2, DVB-C is disabled >> in windows because it's not reliable. >> Technically the chip supports it but the LNA decreases the quality. >> There are already some other PCI boards >> out there with that chip which do not use that LNA which should have a >> better performance with that Sony chip. > > Is it possible to work around this by disabling the lna or is the > quality decreased permanently as part of the hardware design, > independently of whether the lna is enabled or not ? > > I searched the linux-media list and it seems that an lna option was > discussed as a module parameter, but modinfo for the module I use [1] > (using the media_build git repository) doesn't show a lna parameter. > Can the lna be disabled in another way ? > no, otherwise it would be sold as full hybrid device. DVB-T2 is weak that's why it was added. Failing DVB-C would increase the device return rate, that's why it is sold as DVB-T2 only. Markus -- 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
