linux-kernel - Re: [PATCH] Add sensor hub quirk for ThinkPad Helix

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Date:	Thu, 03 Apr 2014 13:39:11 -0700
From:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:	Stephen Chandler Paul <thatslyude@...il.com>,
	Jiri Kosina <jkosina@...e.cz>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
CC:	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...el.com>,
	Adam Williamson <awilliam@...hat.com>
Subject: Re: [PATCH] Add sensor hub quirk for ThinkPad Helix


On 04/03/2014 01:27 PM, Stephen Chandler Paul wrote:
> Just like some of the other laptops/tablets on the market with ultrabook
> sensors, the ThinkPad Helix's sensor hub requires a special quirk in
> order for it to power on properly. Without it the sensors are detected
> by the kernel and set up as usual, but they won't output any data. This
> will also fix the sensors on any other laptops with the same model of
> sensor hub.
>
> Signed-off-by: Stephen Chandler Paul <thatslyude@...il.com>
> ---
>   drivers/hid/hid-ids.h        | 3 ++-
>   drivers/hid/hid-sensor-hub.c | 7 +++++--
>   2 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index bd22126..3312f1b5 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -455,7 +455,8 @@
>   
>   #define USB_VENDOR_ID_INTEL_0		0x8086
>   #define USB_VENDOR_ID_INTEL_1		0x8087
> -#define USB_DEVICE_ID_INTEL_HID_SENSOR	0x09fa
> +#define USB_DEVICE_ID_INTEL_HID_SENSOR_0	0x09fa
> +#define USB_DEVICE_ID_INTEL_HID_SENSOR_1	0x0a04
>   
>   #define USB_VENDOR_ID_STM_0             0x0483
>   #define USB_DEVICE_ID_STM_HID_SENSOR    0x91d1
> diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
> index 5182031..af8244b 100644
> --- a/drivers/hid/hid-sensor-hub.c
> +++ b/drivers/hid/hid-sensor-hub.c
> @@ -697,10 +697,13 @@ static void sensor_hub_remove(struct hid_device *hdev)
>   
>   static const struct hid_device_id sensor_hub_devices[] = {
>   	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_0,
> -			USB_DEVICE_ID_INTEL_HID_SENSOR),
> +			USB_DEVICE_ID_INTEL_HID_SENSOR_0),
>   			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
>   	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1,
> -			USB_DEVICE_ID_INTEL_HID_SENSOR),
> +			USB_DEVICE_ID_INTEL_HID_SENSOR_0),
> +			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
> +	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1,
> +			USB_DEVICE_ID_INTEL_HID_SENSOR_1),
>   			.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
>   	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_STM_0,
>   			USB_DEVICE_ID_STM_HID_SENSOR),

Acked-by: Srinivas Pandruvada<srinivas.pandruvada@...ux.intel.com>


Thanks,
Srinivas

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