linux-kernel - [PATCH v1] Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.

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Message-Id: <1618996576-7743-1-git-send-email-zijuhu@codeaurora.org>
Date:   Wed, 21 Apr 2021 17:16:16 +0800
From:   Zijun Hu <zijuhu@...eaurora.org>
To:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, bgodavar@...eaurora.org,
        c-hbandi@...eaurora.org, hemantg@...eaurora.org, mka@...omium.org,
        rjliao@...eaurora.org, zijuhu@...eaurora.org, tjiang@...eaurora.org
Subject: [PATCH v1] Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.

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

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

Signed-off-by: Tim Jiang <tjiang@...eaurora.org>
---
 drivers/bluetooth/btusb.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6f25337..61afea9 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4138,9 +4138,14 @@ 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 (le16_to_cpu(ver->board_id) == 0x0) { //if boardid equal 0, use default nvm.
+			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));
-- 
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