Re: [PATCH] Bluetooth: btintel: Add devices to HCI_QUIRK_BROKEN_LE_CODED

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Hi Luiz,

Am 28.03.24 um 15:17 schrieb Luiz Augusto von Dentz:
Hi Werner,

On Thu, Mar 28, 2024 at 9:18 AM Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx> wrote:
From: Christoffer Sandberg <cs@xxxxxxxxx>

For HW variants 0x17, 0x18 and 0x19 LE Coded PHY causes scan and
connection issues when enabled. This patch disables it through
the existing quirk.

Signed-off-by: Christoffer Sandberg <cs@xxxxxxxxx>
Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
  drivers/bluetooth/btintel.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index cdc5c08824a0a..6dbfb74d0adf9 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -2881,6 +2881,8 @@ static int btintel_setup_combined(struct hci_dev *hdev)
         case 0x17:
         case 0x18:
         case 0x19:
+               /* 0x17, 0x18 and 0x19 have issues when LE Coded PHY is enabled */
+               set_bit(HCI_QUIRK_BROKEN_LE_CODED, &hdev->quirks);
If it is just these 3 then we are missing a break here.

The cases are not added by the patch, the fallthrough was here before. This patch just adds this quirk for these 3 cases on top to the other things done below, aka the fallthrough is intentional.

Best regards,


         case 0x1b:
         case 0x1c:
                 /* Display version information of TLV type */

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