Hi Kuba, > Synchronous connections are initially created with type eSCO. > Link manager may reject proposed link parameters, which triggers > connection setup retry with a different set. Link type embedded > in responses should be disregarded until Synchronous Connect Complete > returns Success (0x00). Current code updates link type every time > which creates an issue when link type changes to SCO and back to eSCO > on further attepts. > > Issue happens with BlackBerry 9100 and 9700 with Intel WilkinsPeak > on third connection setup attept > > 2015-05-18 01:27:57.332242 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x0380 > 2015-05-18 01:27:57.333604 > HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 > 2015-05-18 01:27:57.334614 > HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x1a handle 0 bdaddr 30:7C:30:B3:A8:86 type SCO > Error: Unsupported Remote Feature / Unsupported LMP Feature > 2015-05-18 01:27:57.334895 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x0380 > 2015-05-18 01:27:57.335601 > HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 > 2015-05-18 01:27:57.336610 > HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x1a handle 0 bdaddr 30:7C:30:B3:A8:86 type SCO > Error: Unsupported Remote Feature / Unsupported LMP Feature > 2015-05-18 01:27:57.336685 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x03c8 > 2015-05-18 01:27:57.337603 > HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 > 2015-05-18 01:27:57.342608 > HCI Event: Max Slots Change (0x1b) plen 3 > handle 256 slots 1 > 2015-05-18 01:27:57.377631 > HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x00 handle 257 bdaddr 30:7C:30:B3:A8:86 type eSCO > Air mode: CVSD > > Signed-off-by: Kuba Pawlak <kubax.t.pawlak@xxxxxxxxx> > --- > net/bluetooth/hci_event.c | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) patch has been applied to bluetooth-next tree. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
