NAK: [PATCH 0/1] Fix I2C HID device failure when initialize touchpad

[Tim Gardner]

On 5/7/24 05:13, Aaron Ma wrote:
> Missed Noble tag in subject, v2 is coming.
> 
> Aaron
> 
> On 5/6/24 4:22 PM, Aaron Ma wrote:
>> BugLink: https://bugs.launchpad.net/bugs/2061040
>>
>> [Impact]
>> Sensel haptic pad doesn't work on boot.
>> Error log:
>> i2c_hid_acpi i2c-SNSL0028:00: device did not ack reset within 1000 ms
>> hid-generic 0018:2C2F:0028.0001: unknown main item tag 0x0
>>
>> [Fix]
>> This issue is a regression of commit from v6.8-rc1 :
>> commit: af93a167eda9 ("HID: i2c-hid: Move i2c_hid_finish_hwreset() to 
>> after reading the report-descriptor")
>> Fix commit: ea36bf1827462 ("HID: i2c-hid: Revert to await reset ACK 
>> before reading report descriptor")
>>
>> [Test]
>> Tested on hardware, touchpad works after boot.
>>
>> [Where problems could occur]
>> It may break HID input.
>>
>> It is a regression on 6.8-rc1, SRU for Noble only.
>>
>> Kenny Levinsen (1):
>>    HID: i2c-hid: Revert to await reset ACK before reading report
>>      descriptor
>>
>>   drivers/hid/i2c-hid/i2c-hid-core.c | 29 ++++++++---------------------
>>   1 file changed, 8 insertions(+), 21 deletions(-)
>>
> 
> 

Terminate the thread
-- 
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Tim Gardner
Canonical, Inc