On Mon, 2015-10-05 at 22:02 +0530, Ritesh Raj Sarraf wrote:
> This patch is a follow-up to the one below, send by Guilhem Lettron.
>
> The Lenovo Yoga 2 13 seems to be sold in multiple variants with minor
> difference3s. IN my case, the USB ID for ITE chip is different than the
> Yoga 2 11 and Yoga 3 14.
>
> Without the quirk, no data is received from the accelerometer. I have
> verified the patch, testing this on 4.3-rc4 (and 4.2 stable). With this
> patch, proper orientation data is received.
>
> rrs@learner:~/Community/UpstreamSources/linux-upstream_GIT (stable-42)$
> monitor-sensor
> ** Message: Accelerometer orientation changed: bottom-up
> ** Message: Light changed: 0.000000 (lux)
> ±** Message: Accelerometer orientation changed: left-up
> ** Message: Accelerometer orientation changed: bottom-up
> ** Message: Accelerometer orientation changed: left-up
> ** Message: Accelerometer orientation changed: normal
> ** Message: Light changed: 29.999999 (lux)
>
> monitor-sensor can be found in the iio-sensor-proxy tool.
>
> commit 47eeca8a4838714e582c2a3058458408a328ed60
> Author: Guilhem Lettron <guil...@lettron.fr>
> Date: Sat Jun 27 17:02:23 2015 +0200
>
> HID: sensor-hub: Add in quirk for Lenovo Yogas with ITE
>
> Like yogas with TEXAS_INSTRUMENTS, yogas with ITE chips needs
> to be initialized with enumeration quirks.
>
> Signed-off-by: Jiri Kosina <jkos...@suse.com>
>
>
> Signed-off-by: Ritesh Raj Sarraf <r...@debian.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>
> ---
> 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 f769208..127c777 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -510,6 +510,7 @@
>
> #define USB_VENDOR_ID_ITE 0x048d
> #define USB_DEVICE_ID_ITE_LENOVO_YOGA 0x8386
> +#define USB_DEVICE_ID_ITE_LENOVO_YOGA2 0x8350
>
> #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 a76eb2a..05afa25 100644
> --- a/drivers/hid/hid-sensor-hub.c
> +++ b/drivers/hid/hid-sensor-hub.c
> @@ -777,6 +777,9 @@ 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_YOGA),
> .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_YOGA2),
> + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
> { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID,
> HID_ANY_ID) },
> { }
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