Hi Andre,
> The Bluetooth 4.1 introduces a new LE meta event called "LE Remote
> Connection Parameter Request" event. In order to the controller
> sends this event to host, we should enable it during controller
> initialization.
>
> Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
> ---
> include/net/bluetooth/hci.h | 3 +++
> net/bluetooth/hci_core.c | 7 +++++++
> 2 files changed, 10 insertions(+)
patch has been applied to bluetooth-next tree.
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index 95b7547..66358af 100644
> --- a/include/net/bluetooth/hci.h
> +++ b/include/net/bluetooth/hci.h
> @@ -307,6 +307,9 @@ enum {
> #define LMP_HOST_LE_BREDR 0x04
> #define LMP_HOST_SC 0x08
>
> +/* LE features */
> +#define HCI_LE_CONN_PARAM_REQ_PROC 0x02
> +
> /* Connection modes */
> #define HCI_CM_ACTIVE 0x0000
> #define HCI_CM_HOLD 0x0001
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 5788e03..8a54ca2 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -1611,6 +1611,13 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
>
> memset(events, 0, sizeof(events));
> events[0] = 0x1f;
> +
> + /* If controller supports the Connection Parameters Request
> + * Link Layer Procedure, enable the corresponding event.
> + */
> + if (hdev->le_features[0] & HCI_LE_CONN_PARAM_REQ_PROC)
> + events[0] = events[0] | 0x20;
> +
However I fixed this to do this properly:
events[0] |= 0x20;
We used this everywhere else. No idea why you had to make it so complicated ;)
Regards
Marcel
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