[PATCH 1/3] HID: extend autodetect to handle I2C sensors as well

From: Mika Westerberg
Date: Mon Feb 11 2013 - 05:30:32 EST


Since the advent of HID over I2C protocol, it is possible to have sensor
hubs behind I2C bus as well. We can autodetect this in a same way than USB
sensor hubs.

Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/hid/hid-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index eb2ee11..fe3a59e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -729,7 +729,7 @@ static int hid_scan_report(struct hid_device *hid)
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_USB || hid->bus == BUS_I2C))
hid->group = HID_GROUP_SENSOR_HUB;
}

--
1.7.10.4

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