> On 13-Jan-2022, at 4:17 PM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
>
>
> The patch below does not apply to the 5.16-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@xxxxxxxxxxxxxxx>.
>
> thanks,
>
> greg k-h
>
> ------------------ original commit in Linus's tree ------------------
>
> From 3318ae23bbcb14b7f68e9006756ba6d970955635 Mon Sep 17 00:00:00 2001
> From: Aditya Garg <gargaditya08@xxxxxxxx>
> Date: Mon, 3 Jan 2022 13:28:42 +0000
> Subject: [PATCH] Bluetooth: btbcm: disable read tx power for MacBook Air 8,1
> and 8,2
The MacBook Air 8,1 and 8,2 also need querying of LE Tx power
to be disabled for Bluetooth to work.
Signed-off-by: Aditya Garg <gargaditya08@xxxxxxxx>
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/bluetooth/btbcm.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 07fabaa5a..d9ceca7a7 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -363,6 +363,18 @@ static const struct dmi_system_id disable_broken_read_transmit_power[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,4"),
},
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,1"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,2"),
+ },
+ },
{
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."),
--
2.25.1
