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Bluetooth: btnxpuart: Fix glitches seen in dual A2DP streaming

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This fixes a regression caused by previous commit for fixing truncated
ACL data, which is causing some intermittent glitches when running two
A2DP streams.

serdev_device_write_buf() is the root cause of the glitch, which is
reverted, and the TX work will continue to write until the queue is empty.

This change fixes both issues. No A2DP streaming glitches or truncated
ACL data issue observed.

Fixes: 8023dd2204 ("Bluetooth: btnxpuart: Fix driver sending truncated data")
Fixes: 689ca16e52 ("Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets")
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Neeraj Sanjay Kale 2025-01-20 19:49:46 +05:30 • committed by Luiz Augusto von Dentz
parent 514a8e6d61
commit 7de119bb79
1 changed files with 1 additions and 2 deletions
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3
drivers/bluetooth/btnxpuart.c
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@ -1381,13 +1381,12 @@ static void btnxpuart_tx_work(struct work_struct *work)
while ((skb = nxp_dequeue(nxpdev))) {
len = serdev_device_write_buf(serdev, skb->data, skb->len);
serdev_device_wait_until_sent(serdev, 0);
hdev->stat.byte_tx += len;
skb_pull(skb, len);
if (skb->len > 0) {
skb_queue_head(&nxpdev->txq, skb);
break;
continue;
}
switch (hci_skb_pkt_type(skb)) {