[PATCH 6/6] btbcm: disable read tx power for iMac 20,2 (Retina 5K, 27-inch, 2020)
From: Aditya Garg <hidden>
Date: 2021-11-29 07:34:38
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 iMac 20,2 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. 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 15c5be927c659..601337b5a5130 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c@@ -381,6 +381,15 @@ static const struct dmi_system_id disable_broken_read_transmit_power[] = { DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,1"), }, }, + { + /* Match for Apple iMac 20,2 which needs + * Read LE Min/Max Tx Power to be disabled. + */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,2"), + }, + }, { } };