add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/bluetooth/btqcomsmd.c
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@@ -122,6 +122,21 @@
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 	return 0;
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 }
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+static int btqcomsmd_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
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+{
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+	int ret;
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+
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+	ret = qca_set_bdaddr_rome(hdev, bdaddr);
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+	if (ret)
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+		return ret;
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+
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+	/* The firmware stops responding for a while after setting the bdaddr,
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+	 * causing timeouts for subsequent commands. Sleep a bit to avoid this.
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+	 */
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+	usleep_range(1000, 10000);
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+	return 0;
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+}
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+
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 static int btqcomsmd_probe(struct platform_device *pdev)
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 {
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 	struct btqcomsmd *btq;
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@@ -162,7 +177,7 @@
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 	hdev->close = btqcomsmd_close;
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 	hdev->send = btqcomsmd_send;
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 	hdev->setup = btqcomsmd_setup;
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-	hdev->set_bdaddr = qca_set_bdaddr_rome;
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+	hdev->set_bdaddr = btqcomsmd_set_bdaddr;
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 	ret = hci_register_dev(hdev);
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 	if (ret < 0)