Messages in this thread | | | Subject | Re: [PATCH v2] HID: i2c-hid: Use block reads when possible to save power | From | Jarkko Nikula <> | Date | Wed, 1 Jul 2020 11:04:01 +0300 |
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On 6/29/20 8:43 PM, Sultan Alsawaf wrote: > Hmm, for some reason in 5.8 I get the same problem, but 5.7 is fine. Could you > try this on 5.7 and see if it works? > > In the meantime I'll bisect 5.8 to see why it's causing problems for me... > I see the same issue on top of v5.7:
[ 9.330514] i2c_hid i2c-ELAN221D:00: Fetching the HID descriptor [ 9.334761] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: cmd=01 00 [ 9.335716] i2c_hid i2c-ELAN221D:00: HID Descriptor: 1e 00 00 01 31 02 02 00 03 00 43 00 04 00 ff 00 05 00 06 00 f3 04 1d 22 10 56 00 00 00 00 [ 9.353408] i2c_hid i2c-ELAN221D:00: entering i2c_hid_parse [ 9.353416] i2c_hid i2c-ELAN221D:00: i2c_hid_hwreset [ 9.353502] i2c_hid i2c-ELAN221D:00: i2c_hid_set_power [ 9.353520] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: cmd=05 00 00 08 [ 9.362304] i2c_hid i2c-ELAN221D:00: resetting... [ 9.370585] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: cmd=05 00 00 01 [ 9.389175] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: waiting... [ 10.416458] i2c_designware i2c_designware.3: controller timed out [ 10.476853] i2c_designware i2c_designware.3: timeout in disabling adapter [ 11.983806] [<00000000fac753ed>] i2c_dw_isr [i2c_designware_core] [ 14.544499] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: finished. [ 14.552123] i2c_hid i2c-ELAN221D:00: failed to reset device. [ 14.559263] i2c_hid i2c-ELAN221D:00: i2c_hid_set_power [ 14.565822] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: cmd=05 00 01 08 [ 14.600256] i2c_designware i2c_designware.3: timeout waiting for bus ready [ 14.608800] i2c_hid i2c-ELAN221D:00: failed to change power setting. [ 15.632103] i2c_hid i2c-ELAN221D:00: i2c_hid_hwreset [ 15.638460] i2c_hid i2c-ELAN221D:00: i2c_hid_set_power [ 15.646422] i2c_hid i2c-ELAN221D:00: __i2c_hid_command: cmd=05 00 00 08 ...
-- Jarkko
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