Re: [PATCH] HID: Add quirk for Lenovo Yoga 910 with ITE Chips

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On Sat, 2017-07-15 at 14:27 +0200, Patrick Pedersen wrote:
> As with previous generations of this device (see https://patchwork.ke
> rnel.org/patch/7887361/), the ITE
> HID Sensor Hub, responsible for the accelerometer and als sensor,
> requires a quirk entry.
> 
> Without the entry, the Sensor Hub can't be accessed and the kernel
> fails to report any movements. As a result
> iio-sensor-proxy receives no new data.
> 
> It shall additionally be noted that the i2c-hid 'sleep' bug (present
> since kernel ver. 4.3)
> still affects the driver. This means that the sensor hub will not
> report any movement, until
> the device is suspended and resumed.
> 
> Signed-off-by: Patrick Pedersen <ctx.xda@xxxxxxxxx>
> ---
>  drivers/hid/hid-ids.h        | 1 +
>  drivers/hid/hid-sensor-hub.c | 3 +++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 4f9a3938189a..b427a0bcfbe8 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -565,6 +565,7 @@
>  #define USB_DEVICE_ID_ITE_LENOVO_YOGA   0x8386
>  #define USB_DEVICE_ID_ITE_LENOVO_YOGA2  0x8350
>  #define USB_DEVICE_ID_ITE_LENOVO_YOGA900	0x8396
> +#define USB_DEVICE_ID_ITE_LENOVO_YOGA910	0x8186
>  
>  #define USB_VENDOR_ID_JABRA		0x0b0e
>  #define USB_DEVICE_ID_JABRA_SPEAK_410	0x0412
> diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-
> hub.c
> index 4ef73374a8f9..85b8425483bd 100644
> --- a/drivers/hid/hid-sensor-hub.c
> +++ b/drivers/hid/hid-sensor-hub.c
> @@ -820,6 +820,9 @@ static const struct hid_device_id
> sensor_hub_devices[] = {
>  	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB,
> USB_VENDOR_ID_ITE,
>  			USB_DEVICE_ID_ITE_LENOVO_YOGA900),
>  			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
> +	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB,
> USB_VENDOR_ID_ITE,
> +			USB_DEVICE_ID_ITE_LENOVO_YOGA910),
> +			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
>  	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB,
> USB_VENDOR_ID_INTEL_0,
>  			0x22D8),
>  			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},

At this point, wouldn't it make sense to apply the quirk to *all* ITE
devices in Lenovo Yoga laptops?
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