ACK: [SRU] [D/E/OEM-OSP1-B] [PATCH 0/2] Make Goodix I2C touchpads work

Anthony Wong anthony.wong at canonical.com
Tue Nov 26 09:25:04 UTC 2019


On Mon, Nov 25, 2019 at 10:33:32PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1853842
> 
> [Impact]
> Goodix touchpads in general don't work well. Sometimes not working at
> all.
> 
> [Fix]
> Remove runtime pm from HID over I2C driver. The power saving is little
> to none and causes many problems.
> 
> [Test]
> After applying the fix, which removes runtime pm, the Goodix touchpad
> works like a charm.
> 
> [Regression Potential]
> Low. This actually mimics behavior on Windows.
> 
> Hans de Goede (1):
>   HID: i2c-hid: Send power-on command after reset
> 
> Kai-Heng Feng (1):
>   HID: i2c-hid: Remove runtime power management
> 
>  drivers/hid/i2c-hid/i2c-hid-core.c | 122 +++--------------------------
>  1 file changed, 11 insertions(+), 111 deletions(-)

Clean cherry-picks.
Acked-by: Anthony Wong <anthony.wong at canonical.com>




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