linux-kernel - RE: [PATCH 3/3] HID: sensor-hub: don't limit the driver only to USB bus

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Message-ID: <4FA419E87744DF4DAECD5BCE1214B7A91E00FB81@ORSMSX108.amr.corp.intel.com>
Date:	Mon, 11 Feb 2013 15:54:05 +0000
From:	"Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Jiri Kosina <jkosina@...e.cz>,
	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: RE: [PATCH 3/3] HID: sensor-hub: don't limit the driver only to USB
 bus

So finally we can use HID sensor hub over I2C.
Did you try with any I2C sensor hub?

Thanks,
Srinivas


-----Original Message-----
From: Mika Westerberg [mailto:mika.westerberg@...ux.intel.com] 
Sent: Monday, February 11, 2013 2:31 AM
To: linux-kernel@...r.kernel.org
Cc: Jiri Kosina; Benjamin Tissoires; linux-input@...r.kernel.org; Pandruvada, Srinivas; Mika Westerberg
Subject: [PATCH 3/3] HID: sensor-hub: don't limit the driver only to USB bus

We now have two transport mediums: USB and I2C, where sensor hubs can exists. So instead of constraining the driver to only these two we let it to match any HID bus as long as the group is HID_GROUP_SENSOR_HUB.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/hid/hid-sensor-hub.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 2643bce9..c01f10d 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -603,7 +603,8 @@ static void sensor_hub_remove(struct hid_device *hdev)  }
 
 static const struct hid_device_id sensor_hub_devices[] = {
-	{ HID_DEVICE(BUS_USB, HID_GROUP_SENSOR_HUB, HID_ANY_ID, HID_ANY_ID) },
+	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID,
+		     HID_ANY_ID) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sensor_hub_devices);
--
1.7.10.4

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