diff --git a/projects/Allwinner/patches/linux/0056-bluetooth-btrtl-add-hci-ver-rtl8822cs.patch b/projects/Allwinner/patches/linux/0056-bluetooth-btrtl-add-hci-ver-rtl8822cs.patch new file mode 100644 index 0000000000..89f33d66c4 --- /dev/null +++ b/projects/Allwinner/patches/linux/0056-bluetooth-btrtl-add-hci-ver-rtl8822cs.patch @@ -0,0 +1,53 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Rudi Heitbaum +Date: Sat, 15 Jan 2022 08:09:20 +0000 +Subject: [PATCH] linux: bluetooth btrtl: add hci_ver 0x8 for rtl8822cs_bt + +As found on Tanix TX6. + +Add the missing id hci_ver = 0x8 to the ic_id_table[] + +Before: + +[ 11.288818] Bluetooth: hci0: RTL: examining hci_ver=08 hci_rev=000c lmp_ver=08 lmp_subver=8822 +[ 11.512883] Bluetooth: hci0: RTL: examining hci_ver=08 hci_rev=000c lmp_ver=08 lmp_subver=8822 +[ 11.512940] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8822, hci rev 000c, hci ver 0008 +[ 11.512957] Bluetooth: hci0: RTL: no config loaded + +After: + +[ 12.642167] Bluetooth: hci0: RTL: examining hci_ver=08 hci_rev=000c lmp_ver=08 lmp_subver=8822 +[ 12.671911] Bluetooth: hci0: RTL: rom_version status=0 version=3 +[ 12.671961] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cs_fw.bin +[ 12.706248] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cs_config.bin +[ 12.730251] Bluetooth: hci0: RTL: cfg_sz 33, total sz 40737 +[ 13.318832] Bluetooth: hci0: RTL: fw version 0x05a91a4a + +Signed-off-by: Rudi Heitbaum +--- + drivers/bluetooth/btrtl.c | 10 +++++++++- + 1 file changed, 9 insertions(+), 1 deletion(-) + +diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c +--- a/drivers/bluetooth/btrtl.c 2022-01-09 22:55:34.000000000 +0000 ++++ b/drivers/bluetooth/btrtl.c 2022-01-15 07:12:21.102080089 +0000 +@@ -148,7 +148,15 @@ + .fw_name = "rtl_bt/rtl8761bu_fw.bin", + .cfg_name = "rtl_bt/rtl8761bu_config" }, + ++ /* 8822C (hci ver 0008) with UART interface */ ++ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0x8, HCI_UART), ++ .config_needed = true, ++ .has_rom_version = true, ++ .has_msft_ext = true, ++ .fw_name = "rtl_bt/rtl8822cs_fw.bin", ++ .cfg_name = "rtl_bt/rtl8822cs_config" }, ++ +- /* 8822C with UART interface */ ++ /* 8822C (hci ver 000a) with UART interface */ + { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0xa, HCI_UART), + .config_needed = true, + .has_rom_version = true, +-- +2.25.1 +