Re: [PATCH] HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen

From: Benjamin Tissoires
Date: Mon Aug 27 2018 - 08:31:09 EST


On Tue, Aug 21, 2018 at 10:55 AM AceLan Kao <acelan.kao@xxxxxxxxxxxxx> wrote:
>
> The incomplete report flooded after S3 and touchscreen becomes
> malfunctioned.
> [ 1367.646244] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/18785)
> [ 1367.649471] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/28743)
> [ 1367.651092] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/26757)
> [ 1367.652658] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/52280)
> [ 1367.654287] i2c_hid i2c-CUST0000:00: i2c_hid_get_input: incomplete report (58/56059)
>
> Adding device ID, 04F3:30CC, to the quirk to re-send report description
> after resume.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: AceLan Kao <acelan.kao@xxxxxxxxxxxxx>

Looks good:
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

Cheers,
Benjamin

> ---
> drivers/hid/hid-ids.h | 1 +
> drivers/hid/i2c-hid/i2c-hid.c | 2 ++
> 2 files changed, 3 insertions(+)
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index c7981ddd8776..e80bcd71fe1e 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -528,6 +528,7 @@
>
> #define I2C_VENDOR_ID_RAYD 0x2386
> #define I2C_PRODUCT_ID_RAYD_3118 0x3118
> +#define I2C_PRODUCT_ID_RAYD_4B33 0x4B33
>
> #define USB_VENDOR_ID_HANWANG 0x0b57
> #define USB_DEVICE_ID_HANWANG_TABLET_FIRST 0x5000
> diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
> index eae0cb3ddec6..5fd1159fc095 100644
> --- a/drivers/hid/i2c-hid/i2c-hid.c
> +++ b/drivers/hid/i2c-hid/i2c-hid.c
> @@ -174,6 +174,8 @@ static const struct i2c_hid_quirks {
> I2C_HID_QUIRK_RESEND_REPORT_DESCR },
> { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH,
> I2C_HID_QUIRK_RESEND_REPORT_DESCR },
> + { I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_4B33,
> + I2C_HID_QUIRK_RESEND_REPORT_DESCR },
> { 0, 0 }
> };
>
> --
> 2.17.1
>