On Út 14-03-06 12:12:48, Olivier Galibert wrote:
> Broadcom USB Bluetooth adapters report a maximum of zero SCO packets
> in-flight, killing SCO. Use a reasonable count instead in that
> case.
Printk("broken Broadcom USB detected, working around"), I'd say. Then
you can also remove the comment :-). Maybe 4 is reasonable value for
some really broken thing, or something...
> Signed-off-by: Olivier Galibert <[email protected]>
Pavel
> diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> --- a/net/bluetooth/hci_event.c
> +++ b/net/bluetooth/hci_event.c
> @@ -324,6 +324,13 @@ static void hci_cc_info_param(struct hci
> hdev->acl_pkts = hdev->acl_cnt = __le16_to_cpu(bs->acl_max_pkt);
> hdev->sco_pkts = hdev->sco_cnt = __le16_to_cpu(bs->sco_max_pkt);
>
> + /* Some buggy USB bluetooth adapters, Broadcom in
> + particular, answer zero as the max number of sco
> + packets in flight. Use a reasonable value
> + instead */
> + if (hdev->sco_pkts == 0)
> + hdev->sco_pkts = hdev->sco_cnt = 8
> +
> BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name,
> hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts);
> break;
--
189: private string AtomSTSZ = "stsz";
-
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