Hi Andrew, > Add additional error case to attempt alternative configuration for SCO. Error > occurs with Intel BT controller where fallback is not attempted as the error > 0x20 Unsupported LMP Parameter value is not included in the list of errors > where a retry should be attempted. > The problem also affects PTS test case TC_HF_ACS_BV_05_I. > > See the HCI log below for details: > < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x0380 >> HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 >> HCI Event: Max Slots Change (0x1b) plen 3 > handle 256 slots 1 >> HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x20 handle 0 bdaddr 00:80:98:09:0B:19 type eSCO > Error: Unsupported LMP Parameter Value > < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x0380 >> HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 >> HCI Event: Max Slots Change (0x1b) plen 3 > handle 256 slots 5 >> HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x20 handle 0 bdaddr 00:80:98:09:0B:19 type eSCO > Error: Unsupported LMP Parameter Value > < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 > handle 256 voice setting 0x0060 ptype 0x03c8 >> HCI Event: Command Status (0x0f) plen 4 > Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 >> HCI Event: Max Slots Change (0x1b) plen 3 > handle 256 slots 1 >> HCI Event: Synchronous Connect Complete (0x2c) plen 17 > status 0x00 handle 257 bdaddr 00:80:98:09:0B:19 type eSCO > Air mode: CVSD > > See btmon log for further details: >> HCI Event (0x0f) plen 4 [hci0] 44.888063 > Setup Synchronous Connection (0x01|0x0028) ncmd 1 > Status: Success (0x00) >> HCI Event (0x1b) plen 3 [hci0] 44.893064 > Handle: 256 > Max slots: 1 >> HCI Event (0x2c) plen 17 [hci0] 44.942080 > Status: Unsupported LMP Parameter Value (0x20) > Handle: 0 > Address: 00:1B:DC:06:04:B0 (OUI 00-1B-DC) > Link type: eSCO (0x02) > Transmission interval: 0x00 > Retransmission window: 0x01 > RX packet length: 0 > TX packet length: 0 > Air mode: CVSD (0x02) >> HCI Event (0x1b) plen 3 [hci0] 44.948054 > Handle: 256 > Max slots: 5 > > Signed-off-by: Andrew Earl <andrewx.earl@xxxxxxxxx> > --- > net/bluetooth/hci_event.c | 1 + > 1 file changed, 1 insertion(+) 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