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

[Aaron Ma]

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(-)
>