From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
This patch fixes sending an unnecessary HCI_LE_Host_Enable command if
the command has already been sent as part of the default HCI init
sequence.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 02dc5f8..03dc176 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2927,8 +2927,14 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
cp.le = 1;
cp.simul = !!lmp_le_br_capable(hdev);
- hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
- sizeof(cp), &cp);
+ /* Check first if we already have the right
+ * host state (host features set)
+ */
+ if (cp.le != !!lmp_host_le_capable(hdev) ||
+ cp.simul != !!lmp_host_le_br_capable(hdev))
+ hci_send_cmd(hdev,
+ HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp);
}
if (lmp_bredr_capable(hdev)) {
--
1.7.10.4
--
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