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Subject[PATCH 4/6] btbcm: disable read tx power for MacBook Pro 16,4 (16 inch, 2019)
Date
From: Aditya Garg <gargaditya08@live.com>

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.

Signed-off-by: Aditya Garg <gargaditya08@live.com>
---
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"),
+ },
+ },
{ }
};

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