On Mon, Feb 18, 2013 at 12:37:52PM +0100, Alexander Holler wrote:
> Am 18.02.2013 12:33, schrieb Mika Westerberg:
> >On Mon, Feb 18, 2013 at 12:22:58PM +0100, Alexander Holler wrote:
> >>Am 18.02.2013 12:12, schrieb Mika Westerberg:
> >>>On Mon, Feb 18, 2013 at 12:03:04PM +0100, Alexander Holler wrote:
> >>>>Am 11.02.2013 11:31, schrieb Mika Westerberg:
> >>>>>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@xxxxxxxxxxxxxxx>
> >>>>>---
> >>>>> 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);
> >>>>>
> >>>>
> >>>>Hmm, what happens with Bluetooth sensor-hubs? Is the driver now able
> >>>>to handle them too?
> >>>
> >>>It should, yes.
> >>
> >>If so, I think patch 1/3 should be modified accordingly.
> >
> >Do you know if such devices exists currently? If not, I'm not sure if it
> >makes sense to do that now.
>
> The CC2541DK-SENSOR from TI looks like one. But I'm not sure as I
> don't have one. Besides that, I think Bluetooth (especially with
> BT4LE) will be by far the most used bus for sensors hubs.
OK, thanks.
In that case I think it's best to remove the explicit bus check from the
condition completely and rely on the fact that page == HID_UP_SENSOR.
Since Jiri already applied this patch, I can make an incremental patch
which removes the explicit bus check, if there are no objections.
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