Hi, >-----Original Message----- >From: K, Kiran <kiran.k@xxxxxxxxx> >Sent: Thursday, July 18, 2024 7:27 PM >To: linux-bluetooth@xxxxxxxxxxxxxxx >Cc: Srivatsa, Ravishankar <ravishankar.srivatsa@xxxxxxxxx>; Tumkur Narayan, >Chethan <chethan.tumkur.narayan@xxxxxxxxx>; Devegowda, Chandrashekar ><chandrashekar.devegowda@xxxxxxxxx>; Satija, Vijay <vijay.satija@xxxxxxxxx>; >pmenzel@xxxxxxxxxxxxx; K, Kiran <kiran.k@xxxxxxxxx> >Subject: [PATCH v4] Bluetooth: btintel: Allow configuring drive strength of BRI > >BRI (Bluetooth Radio Interface) traffic from CNVr to CNVi was found causing >cross talk step errors to WiFi. To avoid this potential issue OEM platforms can >replace BRI resistor to adjust the BRI response line drive strength. >During the *setup*, driver reads the drive strength value from uefi variable >and passes it to the controller via vendor specific command with opcode >0xfc0a. > >dmesg: > >.. >[21.982720] Bluetooth: hci0: Bootloader timestamp 2023.33 buildtype 1 build >45995 [21.984250] Bluetooth: hci0: Found device firmware: intel/ibt-0190- >0291-iml.sfi [21.984255] Bluetooth: hci0: Boot Address: 0x30099000 >[21.984256] Bluetooth: hci0: Firmware Version: 160-24.24 [22.011501] >Bluetooth: hci0: Waiting for firmware download to complete [22.011518] >Bluetooth: hci0: Firmware loaded in 26624 usecs [22.011584] Bluetooth: hci0: >Waiting for device to boot [22.013546] Bluetooth: hci0: Malformed MSFT >vendor event: 0x02 [22.013552] Bluetooth: hci0: Device booted in 1967 usecs >... >[22.013792] Bluetooth: hci0: dsbr: enable: 0x01 value: 0x0b ... >[22.015027] Bluetooth: hci0: Found device firmware: intel/ibt-0190-0291.sfi >[22.015041] Bluetooth: hci0: Boot Address: 0x10000800 [22.015043] >Bluetooth: hci0: Firmware Version: 160-24.24 [22.395821] Bluetooth: BNEP >(Ethernet Emulation) ver 1.3 [22.395828] Bluetooth: BNEP filters: protocol >multicast ... > >Signed-off-by: Kiran K <kiran.k@xxxxxxxxx> >Change-Id: Ia51d0d86b980fcca1b12247ed8fe9ae9d2b06307 >Reviewed-on: https://gerritwcs.ir.intel.com/c/bcp_linux-bt_drv_kernel- >5_3/+/117825 Please ignore this patch. I will remove the ChnageId and Reviewed-on tag and submit again. Thanks, Kiran
