[PATCH 0/2][A/B/OEM] HID:Fix RayD touchscreen failure to resume from S3

[Hui Wang]

Looks like upstream starts to review your patchset, do you plan to 
change the patch and resend them in the near future?



On 2018年01月04日 14:06, Aaron Ma wrote:
> [Impact]
> Resume of S3 cause system hang on Lenovo laptops with RayD touchscreen.
>
> [Fix]
> RayD touchscreen issued corrupted data after it resume from suspend.
> Then HID driver didn't handle the data well,
> because of the data overflow then it made a call trace and hang.
> Keep memset safe from corrupted data and add command to make RayD
> touchscreen back to normal.
> Then touchscreen works fine.
>
> [Test Case]
> Tested on ThinkPad L380, works fine with fixes.
>
> [Regression Potential]
> Low, keep the data in hid-core and i2c-hid more strictly.
> Add specific device quirk in i2c-hid.
>
> Aaron Ma (2):
>    HID: core: i2c-hid: fix size check and type usage
>    HID: i2c-hid: Fix resume issue on Raydium touchscreen device
>
>   drivers/hid/hid-core.c        |  4 ++--
>   drivers/hid/hid-ids.h         |  3 +++
>   drivers/hid/i2c-hid/i2c-hid.c | 23 ++++++++++++++++++-----
>   3 files changed, 23 insertions(+), 7 deletions(-)
>