[linux-dvb] Re: dvb-ip : Which TwinHan's card is better ?

[Johannes Stezenbach <js@linuxtv.org>]

I wrote:
> I guess that the firmware in the microcontroller is busy trying
> to tune and needs more time. I doubled the timeout in
> dst_wait_dst_ready() and now it works for me. The i2c errors
> were probably caused by not waiting for the microcontroller to be ready.

BTW, this does not chage anything wrt my dst probing problem.
I still have to load/unload dst.ko (and/or dvb-bt8xx.ko now)
three times before the frontend is recognized. (This only
happens once after boot which makes this awful to debug.)

Nov 14 14:59:55 abc kernel: bt878: AUDIO driver version 0.0.0 loaded
Nov 14 14:59:55 abc kernel: bt878: Bt878 AUDIO function found (0).
Nov 14 14:59:55 abc kernel: bt878(0): Bt878 (rev 17) at 02:0d.1, irq: 21, latency: 64, memory: 0xfd7ff000
Nov 14 14:59:55 abc kernel: DVB: registering new adapter (bttv0).
Nov 14 14:59:55 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 14:59:57 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 14:59:58 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 14:59:59 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:00:00 abc kernel: dst_check_ci: write not successful, maybe no card?
Nov 14 15:00:00 abc kernel: dvb-bt8xx: A frontend driver was not found for device 109e/0878 subsystem 1822/0001

Nov 14 15:01:34 abc kernel: DVB: registering new adapter (bttv0).
Nov 14 15:01:34 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:01:36 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:01:37 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:01:38 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:01:39 abc kernel: dst_check_ci: write not successful, maybe no card?
Nov 14 15:01:39 abc kernel: dvb-bt8xx: A frontend driver was not found for device 109e/0878 subsystem 1822/0001

Nov 14 15:02:06 abc kernel: DVB: registering new adapter (bttv0).
Nov 14 15:02:07 abc kernel: write_dst: write_dst error (err == -5, len == 0x08, b0 == 0x00)
Nov 14 15:02:08 abc kernel: read_dst reply is 0xff
Nov 14 15:02:08 abc kernel: dst_wait_dst_ready: dst wait ready after 0
Nov 14 15:02:08 abc kernel: read_dst reply is 0x20
Nov 14 15:02:08 abc kernel: dst_check_ci: recognize DTTDIG
Nov 14 15:02:08 abc kernel: DST type : terrestial TV
Nov 14 15:02:08 abc kernel: DST type flags :
Nov 14 15:02:08 abc kernel: DVB: registering frontend 1 (DST DVB-T)...


Johannes