Ok, forget that, I rebooted without kms disabled and now I get 28 i2c/smbus devices (most likely duplicates). Now scanning:
i2c-9 i2c i915 gmbus dpb I2C adapter i2c-10 i2c i915 GPIOE I2C adapter
gives:
# i2cdetect -y 9 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- 38 -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- --
and
# i2cdump -y 9 0x38 No size specified (using byte-data access) 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 05 13 26 67 01 a5 19 a2 31 97 81 ff 00 04 00 00 ??&g????1??..?.. 10: 00 a0 02 02 02 02 02 02 07 00 00 11 54 03 02 40 .????????..?T??@ 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 30: 00 00 00 00 03 ff 00 28 88 88 00 00 00 00 00 00 ....?..(??...... 40: 80 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 ?..?............ 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 60: 11 00 00 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 ?..????????????? 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 18 00 ..............?. 80: ff 07 3d 05 00 00 00 00 00 00 00 00 10 02 10 00 .?=?........???. 90: ff 07 a0 02 00 00 05 00 00 00 88 00 24 00 25 03 .???..?...?.$.%? a0: 28 01 28 05 84 00 00 00 00 04 70 4f 00 00 03 03 (?(??....?pO..?? b0: 00 00 00 00 00 00 09 03 00 a0 00 20 33 33 33 33 ......??.?. 3333 c0: 05 90 00 0f 03 16 00 02 02 00 00 00 00 00 00 00 ??.???.??....... d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 98 00 80 00 00 00 80 00 00 00 00 00 00 00 ..?.?...?....... f0: 71 77 b3 90 00 00 00 88 0a 0f 0a 0a 0a 0a 0a 0a qw??...?????????
So 1305 and 6726 actually look like the first registers indicated in the datasheet.
Ok, forget that, I rebooted without kms disabled and now I get 28 i2c/smbus devices (most likely duplicates). Now scanning:
i2c-9 i2c i915 gmbus dpb I2C adapter
i2c-10 i2c i915 GPIOE I2C adapter
gives:
# i2cdetect -y 9
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- 38 -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
and
# i2cdump -y 9 0x38
No size specified (using byte-data access)
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 05 13 26 67 01 a5 19 a2 31 97 81 ff 00 04 00 00 ??&g????1??..?..
10: 00 a0 02 02 02 02 02 02 07 00 00 11 54 03 02 40 .????????..?T??@
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
30: 00 00 00 00 03 ff 00 28 88 88 00 00 00 00 00 00 ....?..(??......
40: 80 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 ?..?............
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
60: 11 00 00 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 ?..?????????????
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 18 00 ..............?.
80: ff 07 3d 05 00 00 00 00 00 00 00 00 10 02 10 00 .?=?........???.
90: ff 07 a0 02 00 00 05 00 00 00 88 00 24 00 25 03 .???..?...?.$.%?
a0: 28 01 28 05 84 00 00 00 00 04 70 4f 00 00 03 03 (?(??....?pO..??
b0: 00 00 00 00 00 00 09 03 00 a0 00 20 33 33 33 33 ......??.?. 3333
c0: 05 90 00 0f 03 16 00 02 02 00 00 00 00 00 00 00 ??.???.??.......
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 98 00 80 00 00 00 80 00 00 00 00 00 00 00 ..?.?...?.......
f0: 71 77 b3 90 00 00 00 88 0a 0f 0a 0a 0a 0a 0a 0a qw??...?????????
So 1305 and 6726 actually look like the first registers indicated in the datasheet.