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| author |   Aditya Garg <gargaditya08@live.com> | 2021-12-02 12:41:59 +0000 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2021-12-07 17:05:51 +0100 |
| commit | d2f8114f9574509580a8506d2ef72e7e43d1a5bd (patch) | |
| tree | 69fed3817c9d6803d5c817e408ff246a7f47b8e0 /net/bluetooth | |
| parent | Bluetooth: btmtksdio: enable AOSP extension for MT7921 (diff) | |
| download | linux-dev-d2f8114f9574509580a8506d2ef72e7e43d1a5bd.tar.xz linux-dev-d2f8114f9574509580a8506d2ef72e7e43d1a5bd.zip | |
Bluetooth: add quirk disabling LE Read Transmit Power
Some devices have a bug causing them to not work if they query
LE tx power on startup. Thus we add a quirk in order to not query it
and default min/max tx power values to HCI_TX_POWER_INVALID.
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Reported-by: Orlando Chamberlain <redecorating@protonmail.com>
Tested-by: Orlando Chamberlain <redecorating@protonmail.com>
Link:
https://lore.kernel.org/r/4970a940-211b-25d6-edab-21a815313954@protonmail.com
Fixes: 7c395ea521e6 ("Bluetooth: Query LE tx power on startup")
Cc: stable@vger.kernel.org
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_sync.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 7ac6c170ec49..ff3f561a45a2 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3300,7 +3300,8 @@ static int hci_le_read_adv_tx_power_sync(struct hci_dev *hdev) /* Read LE Min/Max Tx Power*/ static int hci_le_read_tx_power_sync(struct hci_dev *hdev) { - if (!(hdev->commands[38] & 0x80)) + if (!(hdev->commands[38] & 0x80) || + test_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks)) return 0; return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_TRANSMIT_POWER, |