diff mbox series

[v2,1/2] Bluetooth: Add new quirks for fake Bluetooth dongles

Message ID 20250222050439.1494-1-nishiyama.pedro@gmail.com
State New
Headers show
Series [v2,1/2] Bluetooth: Add new quirks for fake Bluetooth dongles | expand

Commit Message

Pedro Nishiyama Feb. 22, 2025, 5:04 a.m. UTC
This adds quirks for broken READ_VOICE_SETTING and READ_PAGE_SCAN_TYPE.

Signed-off-by: Pedro Nishiyama <nishiyama.pedro@gmail.com>
---
 include/net/bluetooth/hci.h | 16 ++++++++++++++++
 net/bluetooth/hci_sync.c    |  6 ++++++
 2 files changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 0d51970d809f..b99818df8ee7 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -354,6 +354,22 @@  enum {
 	 * during the hdev->setup vendor callback.
 	 */
 	HCI_QUIRK_FIXUP_LE_EXT_ADV_REPORT_PHY,
+
+	/* When this quirk is set, the HCI_OP_READ_VOICE_SETTING command is
+	 * skipped. This is required for a subset of the CSR controller clones
+	 * which erroneously claim to support it.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
+	HCI_QUIRK_BROKEN_READ_VOICE_SETTING,
+
+	/* When this quirk is set, the HCI_OP_READ_PAGE_SCAN_TYPE command is
+	 * skipped. This is required for a subset of the CSR controller clones
+	 * which erroneously claim to support it.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
+	HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE,
 };
 
 /* HCI device flags */
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index dd770ef5ec36..e76012956020 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3696,6 +3696,9 @@  static int hci_read_local_name_sync(struct hci_dev *hdev)
 /* Read Voice Setting */
 static int hci_read_voice_setting_sync(struct hci_dev *hdev)
 {
+	if (test_bit(HCI_QUIRK_BROKEN_READ_VOICE_SETTING, &hdev->quirks))
+		return 0;
+
 	return __hci_cmd_sync_status(hdev, HCI_OP_READ_VOICE_SETTING,
 				     0, NULL, HCI_CMD_TIMEOUT);
 }
@@ -4132,6 +4135,9 @@  static int hci_read_page_scan_type_sync(struct hci_dev *hdev)
 	if (!(hdev->commands[13] & 0x01))
 		return 0;
 
+	if (test_bit(HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE, &hdev->quirks))
+		return 0;
+
 	return __hci_cmd_sync_status(hdev, HCI_OP_READ_PAGE_SCAN_TYPE,
 				     0, NULL, HCI_CMD_TIMEOUT);
 }