linux-kernel - [PATCH] HID: make sensor autodetection independent of underlying bus

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Message-Id: <1361265753-17541-1-git-send-email-mika.westerberg@linux.intel.com>
Date:	Tue, 19 Feb 2013 11:22:33 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Holler <holler@...oftware.de>,
	Jiri Kosina <jkosina@...e.cz>,
	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	linux-input@...r.kernel.org, srinivas.pandruvada@...el.com,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH] HID: make sensor autodetection independent of underlying bus

Instead of limiting HID sensors to USB and I2C busses we can just make
everything that has usage page of HID_UP_SENSOR to be included in
HID_GROUP_SENSOR_HUB group. This allows the sensor-hub to work over
bluetooth (and other transports) as well.

Reported-by: Alexander Holler <holler@...oftware.de>
Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/hid/hid-core.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index fe3a59e..f89e902 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -728,8 +728,7 @@ static int hid_scan_report(struct hid_device *hid)
 		} else if (page == HID_UP_SENSOR &&
 			item.type == HID_ITEM_TYPE_MAIN &&
 			item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
-			(item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL &&
-			(hid->bus == BUS_USB || hid->bus == BUS_I2C))
+			(item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL)
 			hid->group = HID_GROUP_SENSOR_HUB;
 	}
 
-- 
1.7.10.4

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