Ubuntu
linux-oem-5.6 package

  1. Groovy (20.10)
  2. Bug #1853277
  3. Comment #57

Comment 57 for bug 1853277

Revision history for this message
Chris de Jonge (chris-0611) wrote :

Hi all. I have a ThinkBook 14 IML 20RV with BIOS CJCN27WW and kernel 5.3.0-59. If I add "i2c_designware_core.dyndbg=+p i2c-hid.debug=1" to the boot parameters then this appears in dmesg:

[ 78.109188] i2c_designware i2c_designware.0: Standard Mode HCNT:LCNT = 926:1079
[ 78.109190] i2c_designware i2c_designware.0: Fast Mode HCNT:LCNT = 191:345
[ 78.109192] i2c_designware i2c_designware.0: SDA Hold Time TX:RX = 50:1
[ 78.109193] i2c_designware i2c_designware.0: Bus speed: Standard Mode
[ 78.110181] i2c_hid i2c-ELAN0632:00: i2c-ELAN0632:00 supply vdd not found, using dummy regulator
[ 78.110190] i2c_hid i2c-ELAN0632:00: i2c-ELAN0632:00 supply vddl not found, using dummy regulator
[ 78.110208] i2c_designware i2c_designware.0: i2c_dw_xfer: msgs: 1
[ 78.110226] i2c_designware i2c_designware.0: enabled=0x1 stat=0x10
[ 78.110331] i2c_designware i2c_designware.0: enabled=0x1 stat=0x750
[ 78.110337] i2c_designware i2c_designware.0: i2c_dw_handle_tx_abort: slave address not acknowledged (7bit mode)
[ 78.110899] elan_i2c i2c-ELAN0632:00: i2c-ELAN0632:00 supply vcc not found, using dummy regulator
[ 78.110906] i2c_designware i2c_designware.0: i2c_dw_xfer: msgs: 1
[ 78.110923] i2c_designware i2c_designware.0: enabled=0x1 stat=0x10
[ 78.111029] i2c_designware i2c_designware.0: enabled=0x1 stat=0x750
[ 78.111036] i2c_designware i2c_designware.0: i2c_dw_handle_tx_abort: slave address not acknowledged (7bit mode)

Hope this is relevant information