Hi Szymon, > It appears that some Broadcom controllers (eg BCM20702A0) reject LE Set > Advertising Parameters command if advertising intervals provided are not > within range for undirected and low duty directed advertising. > > Workaround this bug by populating min and max intervals with 'valid' > values. > > < HCI Command: LE Set Advertising Parameters (0x08|0x0006) plen 15 #75 [hci0] 29.155775 > Min advertising interval: 0.000 msec (0x0000) > Max advertising interval: 0.000 msec (0x0000) > Type: Connectable directed - ADV_DIRECT_IND (high duty cycle) (0x01) > Own address type: Public (0x00) > Direct address type: Random (0x01) > Direct address: E2:F0:7B:9F:DC:F4 (Static) > Channel map: 37, 38, 39 (0x07) > Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00) >> HCI Event: Command Complete (0x0e) plen 4 #76 [hci0] 29.156745 > LE Set Advertising Parameters (0x08|0x0006) ncmd 1 > Status: Invalid HCI Command Parameters (0x12) > > Signed-off-by: Szymon Janc <szymon.janc@xxxxxxxxxxx> > Tested-by: Sören Beye <linux@xxxxxxxxx> > --- > net/bluetooth/hci_conn.c | 8 ++++++++ > 1 file changed, 8 insertions(+) patch has been applied to bluetooth-next tree. Regards Marcel