Re: AF9013/15 I2C problems

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In message <4CBB1982.4050309@xxxxxx>, Antti Palosaari wrote

On 10/17/2010 01:47 PM, dave cunningham wrote:
I'm currently on hg version <14319:37581bb7e6f1>, on a debian-squeeze
system, kernel 2.6.32.

I've googled and found various people seeing similar problems but have
yet to come across a solution.

Would anyone have any suggestions (note if I switch back to firmware
4.65 with just the Tevion stick things are fine - I'd like to use the
KWorld stick if possible though)?

I have strong feeling this issue is fixed already. Install latest Git master driver from Linuxtv.org


I've compiled the git media-master, commit <1c8c51f7413ec522c7b729c8ebc5ce815fb7d4a8> and still have problems.

With the Tevion Stick I now see the following at boot (with both firmware 4.65.0 and 4.95.0):


[    6.257795] DVB: registering adapter 0 frontend 0 (STB0899 Multistandard)...
[    6.264875] TDA18271HD/C1 detected @ 1-00c0
[    6.902293] af9015: command failed:1
[    6.902789] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x0, len = 39, i2c_t
ransfer returned: -1
[    7.540215] af9015: command failed:1
[    7.540707] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x20, len = 1, i2c_t
ransfer returned: -1
[    8.178133] af9015: command failed:1
[    8.178747] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x20, len = 1, i2c_t
ransfer returned: -1
[    8.816417] af9015: command failed:1
[    8.817039] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x20, len = 1, i2c_transfer returned: -1
[    9.454467] af9015: command failed:1
[    9.455080] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x20, len = 1, i2c_transfer returned: -1
[   10.092508] af9015: command failed:1
[   10.093122] tda18271_write_regs: [1-00c0|M] ERROR: idx = 0x23, len = 1, i2c_transfer returned: -1
[   10.730542] af9015: command failed:1
...


The KWorld stick comes up OK and can be used but after changing channels/sources a few times in mythtv I get (firmware 4.95.0):


Oct 19 23:52:32 beta dhcpd: DHCPACK on 192.168.0.9 to 00:1c:c0:8c:88:7d via eth0
Oct 19 23:58:04 beta kernel: [  480.140076] af9013: I2C read failed reg:d507
Oct 19 23:58:06 beta kernel: [  482.152089] af9013: I2C read failed reg:d507
Oct 19 23:58:08 beta kernel: [  484.164077] af9013: I2C read failed reg:d507
Oct 19 23:58:10 beta kernel: [  486.176076] af9013: I2C read failed reg:d507
Oct 19 23:58:12 beta kernel: [  488.188128] af9013: I2C read failed reg:d507
...

--
Dave Cunningham                                  dave at upsilon org uk
                                                 PGP KEY ID: 0xA78636DC
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