I loaded the i2c-hid module with the debug parameter, which I only figured out after sending the initial email (duh): [16455.340845] i2c_hid i2c-SYNA7813:00: Fetching the HID descriptor [16455.340853] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=20 00 [16455.341748] i2c_hid i2c-SYNA7813:00: HID Descriptor: 1e 00 00 01 e1 01 21 00 24 00 24 00 25 00 17 00 22 00 23 00 cb 06 85 17 02 00 00 00 00 00 [16455.341931] i2c_hid i2c-SYNA7813:00: entering i2c_hid_parse [16455.341935] i2c_hid i2c-SYNA7813:00: i2c_hid_hwreset [16455.341937] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.341941] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 00 08 [16455.342115] i2c_hid i2c-SYNA7813:00: resetting... [16455.342118] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 00 01 [16455.342311] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: waiting... [16455.343375] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: finished. [16455.343381] i2c_hid i2c-SYNA7813:00: asking HID report descriptor [16455.343385] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=21 00 [16455.355087] i2c_hid i2c-SYNA7813:00: Report Descriptor: 05 0d 09 04 a1 01 85 01 09 22 a1 02 09 42 15 00 25 01 75 01 95 01 81 02 95 07 81 03 75 08 09 51 25 7f 95 01 81 02 05 01 55 0e 65 11 26 28 0c 35 00 46 12 0c 75 10 95 01 09 30 81 02 26 e6 06 46 [16455.356344] i2c_hid i2c-SYNA7813:00: i2c_hid_get_report [16455.356347] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 38 02 23 00 [16455.356718] i2c_hid i2c-SYNA7813:00: i2c_hid_get_report [16455.356720] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 37 02 23 00 [16455.363366] input: SYNA7813:00 06CB:1785 as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-SYNA7813:00/0018:06CB:1785.0004/input/input16 [16455.363652] hid-multitouch 0018:06CB:1785.0004: input,hidraw0: I2C HID v1.00 Device [SYNA7813:00 06CB:1785] on i2c-SYNA7813:00 [16455.363733] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.363738] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 01 08 [16455.368587] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.368592] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 00 08 [16455.390670] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.390675] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 01 08 [16455.415842] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.415850] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 00 08 [16455.447439] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.447445] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 01 08 [16455.471032] i2c_hid i2c-SYNA2B31:00: Fetching the HID descriptor [16455.471039] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=20 00 [16455.471945] i2c_hid i2c-SYNA2B31:00: HID Descriptor: 1e 00 00 01 99 02 21 00 24 00 40 00 25 00 17 00 22 00 23 00 cb 06 8c 7f 03 00 00 00 00 00 [16455.472146] i2c_hid i2c-SYNA2B31:00: entering i2c_hid_parse [16455.472150] i2c_hid i2c-SYNA2B31:00: i2c_hid_hwreset [16455.472153] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.472157] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 00 08 [16455.473792] i2c_hid i2c-SYNA2B31:00: input: 20 00 03 03 54 01 5f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e1 a4 01 00 [16455.474049] i2c_hid i2c-SYNA2B31:00: resetting... [16455.474056] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 00 01 [16455.475716] i2c_hid i2c-SYNA2B31:00: input: 20 00 03 00 80 00 5c 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 6f 33 01 00 [16455.475962] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: waiting... [16455.477639] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: finished. [16455.477645] i2c_hid i2c-SYNA2B31:00: asking HID report descriptor [16455.477648] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=21 00 [16455.488898] i2c_hid i2c-SYNA7813:00: i2c_hid_set_power [16455.488904] i2c_hid i2c-SYNA7813:00: __i2c_hid_command: cmd=22 00 00 08 [16455.494888] i2c_hid i2c-SYNA2B31:00: Report Descriptor: 05 01 09 02 a1 01 85 02 09 01 a1 00 05 09 19 01 29 02 15 00 25 01 75 01 95 02 81 02 95 06 81 01 05 01 09 30 09 31 15 81 25 7f 75 08 95 02 81 06 c0 c0 05 0d 09 05 a1 01 85 03 05 0d 09 22 a1 02 [16455.496966] i2c_hid i2c-SYNA2B31:00: i2c_hid_get_report [16455.496971] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 38 02 23 00 [16455.498592] i2c_hid i2c-SYNA2B31:00: i2c_hid_get_report [16455.498598] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 38 02 23 00 [16455.498957] i2c_hid i2c-SYNA2B31:00: i2c_hid_get_report [16455.498962] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 37 02 23 00 [16455.505779] input: SYNA2B31:00 06CB:7F8C Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-SYNA2B31:00/0018:06CB:7F8C.0005/input/input18 [16455.506207] hid-multitouch 0018:06CB:7F8C.0005: input,hidraw1: I2C HID v1.00 Mouse [SYNA2B31:00 06CB:7F8C] on i2c-SYNA2B31:00 [16455.506218] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_or_send_report [16455.506223] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 34 03 23 00 04 00 04 03 [16455.510689] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.510692] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 01 08 [16455.512663] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.512666] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 00 08 [16455.540884] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.540894] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 01 08 [16455.586584] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.586590] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 00 08 [16455.610960] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.610967] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 01 08 [16455.617876] i2c_hid i2c-ITE8186:00: Fetching the HID descriptor [16455.617883] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=01 00 [16455.619067] i2c_hid i2c-ITE8186:00: HID Descriptor: 1e 00 00 01 3c 04 02 00 03 00 11 00 04 00 00 00 05 00 06 00 8d 04 86 81 18 10 00 00 00 00 [16455.619255] i2c_hid i2c-ITE8186:00: entering i2c_hid_parse [16455.619259] i2c_hid i2c-ITE8186:00: i2c_hid_hwreset [16455.619261] i2c_hid i2c-ITE8186:00: i2c_hid_set_power [16455.619265] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 00 08 [16455.619504] i2c_hid i2c-ITE8186:00: resetting... [16455.619507] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 00 01 [16455.621336] i2c_hid i2c-ITE8186:00: __i2c_hid_command: waiting... [16455.623987] i2c_hid i2c-ITE8186:00: __i2c_hid_command: finished. [16455.623992] i2c_hid i2c-ITE8186:00: asking HID report descriptor [16455.623995] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=02 00 [16455.629566] i2c_hid i2c-SYNA2B31:00: i2c_hid_set_power [16455.629572] i2c_hid i2c-SYNA2B31:00: __i2c_hid_command: cmd=22 00 00 08 [16455.652115] i2c_hid i2c-ITE8186:00: Report Descriptor: 06 83 ff 09 80 a1 01 85 5a 09 01 15 00 26 ff 00 75 08 95 10 b1 00 c0 05 20 09 01 a1 01 85 01 05 20 09 73 a1 00 05 20 0a 09 03 15 00 25 02 75 08 95 01 a1 02 0a 30 08 0a 31 08 0a 32 08 b1 00 c0 [16455.654650] i2c_hid i2c-ITE8186:00: i2c_hid_get_report [16455.654655] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 3f 02 5a 06 00 [16455.656684] i2c_hid i2c-ITE8186:00: report (len=19): 12 00 5a ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 06 [16455.656691] i2c_hid i2c-ITE8186:00: error in i2c_hid_init_report size:19 / ret_size:18 [16455.656701] i2c_hid i2c-ITE8186:00: i2c_hid_get_report [16455.656705] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 31 02 06 00 [16455.657850] i2c_hid i2c-ITE8186:00: report (len=21): 15 00 01 01 01 05 02 7d 00 00 00 02 00 02 00 12 00 a0 0f 60 f0 [16455.657859] i2c_hid i2c-ITE8186:00: i2c_hid_get_report [16455.657862] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 32 02 06 00 [16455.659463] i2c_hid i2c-ITE8186:00: report (len=41): 29 00 02 01 01 05 02 dc 05 00 00 c4 09 ff ff 00 00 54 00 01 00 64 00 05 00 64 00 e8 03 79 00 5a 0c 91 00 88 13 ae 00 10 27 [16455.659472] i2c_hid i2c-ITE8186:00: i2c_hid_get_report [16455.659475] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 33 02 06 00 [16455.660812] i2c_hid i2c-ITE8186:00: report (len=35): 23 00 03 01 01 06 02 50 00 00 00 0a 00 4c 00 65 00 6e 00 6f 00 76 00 6f 00 20 00 59 00 6f 00 67 00 61 00 [16455.662221] i2c_hid i2c-ITE8186:00: i2c_hid_set_power [16455.662225] i2c_hid i2c-ITE8186:00: __i2c_hid_command: cmd=05 00 01 08 On Fri, Nov 18, 2016 at 11:15 AM, Henrý Þór Baldursson <henry.baldursson@xxxxxxxxx> wrote: > Hello > > I'm trying to get sensors working on my Lenovo Ideapad Yoga 910. > > I'm running kernel 4.8.8. I did try 4.9-rc5 thinking the ISH support > might help, but to no avail. > > Here's iio-sensor-proxy trying to read the sensors: > > ** (process:10981): DEBUG: Found als at > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200041.3.auto/iio:device0 > ** (process:10981): DEBUG: Found device > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200041.3.auto/iio:device0 > of type ambient light sensor at IIO Buffer Light sensor > ** (process:10981): DEBUG: Found accel_3d at > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200073.2.auto/iio:device1 > ** (process:10981): DEBUG: Found device > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200073.2.auto/iio:device1 > of type accelerometer at IIO Buffer accelerometer > ** (process:10981): DEBUG: Found associated trigger at > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200073.2.auto/trigger1 > ** (process:10981): DEBUG: Got type for in_accel_y: is signed: 1, > bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: 0 > ** (process:10981): DEBUG: Got type for in_accel_x: is signed: 1, > bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: 0 > ** (process:10981): DEBUG: Got type for in_accel_z: is signed: 1, > bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: 0 > ** (process:10981): DEBUG: Built channel array for in_accel_x: index: > 0, is signed: 1, bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: > 0 > ** (process:10981): DEBUG: Built channel array for in_accel_y: index: > 1, is signed: 1, bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: > 0 > ** (process:10981): DEBUG: Built channel array for in_accel_z: index: > 2, is signed: 1, bytes: 4, bits_used: 16, shift: 0, mask: 0x65535, be: > 0 > ** (process:10981): DEBUG: Found associated trigger at > /sys/devices/pci0000:00/0000:00:15.3/i2c_designware.2/i2c-8/i2c-ITE8186:00/0018:048D:8186.0003/HID-SENSOR-200041.3.auto/trigger0 > ** (process:10981): DEBUG: Got type for in_intensity_both: is signed: > 1, bytes: 4, bits_used: 32, shift: 0, mask: 0x0, be: 0 > ** (process:10981): DEBUG: Built channel array for in_intensity_both: > index: 0, is signed: 1, bytes: 4, bits_used: 32, shift: 0, mask: 0x0, > be: 0 > ** (process:10981): DEBUG: Handling driver refcounting method > 'ClaimLight' for ambient light sensor device > ** (process:10981): DEBUG: Handling driver refcounting method > 'ClaimAccelerometer' for accelerometer device > ** (process:10981): DEBUG: No new data available on 'iio:device0' > ** (process:10981): DEBUG: No new data available on 'iio:device1' > ** (process:10981): DEBUG: No new data available on 'iio:device0' > ** (process:10981): DEBUG: No new data available on 'iio:device1' > > It basically reads the accelerometer orientation as 'normal' and never > updates it, and the light sensor at 0.0 lux and never updates. > > I do get this error during boot: > [ 2.321857] i2c_hid i2c-ITE8186:00: error in i2c_hid_init_report > size:19 / ret_size:18 > > It would be nice to get them working, is there anything I can do? I > have no experience debugging hardware interfaces like these myself, > but I'm usually pretty handy > > > - Henry. -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
