linux-kernel - [PATCH AUTOSEL 5.12 151/160] Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.

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Date:   Tue,  6 Jul 2021 07:18:17 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Tim Jiang <tjiang@...eaurora.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-bluetooth@...r.kernel.org
Subject: [PATCH AUTOSEL 5.12 151/160] Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.

From: Tim Jiang <tjiang@...eaurora.org>

[ Upstream commit ca17a5cccf8b6d35dab4729bea8f4350bc0b4caf ]

if boardID is 0, will use the default nvm file without surfix.

Signed-off-by: Tim Jiang <tjiang@...eaurora.org>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/bluetooth/btusb.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index ec17772defc2..64b0e68c68eb 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4228,9 +4228,15 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
 	int err;
 
 	if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
-		snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
-			 le32_to_cpu(ver->rom_version),
-			 le16_to_cpu(ver->board_id));
+		/* if boardid equal 0, use default nvm without surfix */
+		if (le16_to_cpu(ver->board_id) == 0x0) {
+			snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
+				 le32_to_cpu(ver->rom_version));
+		} else {
+			snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
+				le32_to_cpu(ver->rom_version),
+				le16_to_cpu(ver->board_id));
+		}
 	} else {
 		snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
 			 le32_to_cpu(ver->rom_version));
-- 
2.30.2