[PATCH v2 4/6] btbcm: disable read tx power for MacBook Pro 16,4 (16 inch, 2019)
From: Aditya Garg <hidden>
Date: 2021-11-29 07:49:38
Also in:
lkml, regressions, stable
Subsystem:
bluetooth drivers, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
From: Aditya Garg <redacted> Bluetooth on Apple MacBook Pro 16,4 is unable to start due to LE Min/Max Tx Power being queried on startup. Add a DMI based quirk so that it is disabled. v2: Wrap changelog in 72 columns. Signed-off-by: Aditya Garg <redacted> --- drivers/bluetooth/btbcm.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 348a4afa0774e..88214b453b0ce 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c@@ -363,6 +363,15 @@ static const struct dmi_system_id disable_broken_read_transmit_power[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,2"), }, }, + { + /* Match for Apple MacBook Pro 16,4 which needs + * Read LE Min/Max Tx Power to be disabled. + */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,4"), + }, + }, { } };