Re: [PATCH v3] Bluetooth: btrtl: Enable WBS for the specific Realtek devices

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Thanks Max. Patch v3 looks good to me.

Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>

On Thu, Jan 21, 2021 at 5:59 PM <max.chou@xxxxxxxxxxx> wrote:
>
> From: Max Chou <max.chou@xxxxxxxxxxx>
>
> By this change, it will enable WBS supported on the specific Realtek BT
> devices, such as RTL8822C and RTL8852A.
> In the future, it's able to maintain what the Realtek devices support WBS
> here.
>
> Tested-by: Hilda Wu <hildawu@xxxxxxxxxxx>
> Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>
> Signed-off-by: Max Chou <max.chou@xxxxxxxxxxx>
>
> ---
> change in v3
>  -remove the null check due to unnecessary
> ---
>  drivers/bluetooth/btrtl.c | 29 +++++++++++++++++++++++------
>  1 file changed, 23 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
> index 24f03a1f8d57..a21d6abc93c4 100644
> --- a/drivers/bluetooth/btrtl.c
> +++ b/drivers/bluetooth/btrtl.c
> @@ -38,6 +38,19 @@
>         .hci_ver = (hciv), \
>         .hci_bus = (bus)
>
> +enum  btrtl_chip_id {
> +       CHIP_ID_8723A,          /* index  0 for RTL8723A*/
> +       CHIP_ID_8723B,          /* index  1 for RTL8723B*/
> +       CHIP_ID_8821A,          /* index  2 for RTL8821A*/
> +       CHIP_ID_8761A,          /* index  3 for RTL8761A*/
> +       CHIP_ID_8822B = 8,      /* index  8 for RTL8822B */
> +       CHIP_ID_8723D,          /* index  9 for RTL8723D */
> +       CHIP_ID_8821C,          /* index 10 for RTL8821C */
> +       CHIP_ID_8822C = 13,     /* index 13 for RTL8822C */
> +       CHIP_ID_8761B,          /* index 14 for RTL8761B */
> +       CHIP_ID_8852A = 18,     /* index 18 for RTL8852A */
> +};
> +
>  struct id_table {
>         __u16 match_flags;
>         __u16 lmp_subver;
> @@ -58,6 +71,7 @@ struct btrtl_device_info {
>         u8 *cfg_data;
>         int cfg_len;
>         bool drop_fw;
> +       int project_id;
>  };
>
>  static const struct id_table ic_id_table[] = {
> @@ -307,8 +321,10 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
>
>         /* Find project_id in table */
>         for (i = 0; i < ARRAY_SIZE(project_id_to_lmp_subver); i++) {
> -               if (project_id == project_id_to_lmp_subver[i].id)
> +               if (project_id == project_id_to_lmp_subver[i].id) {
> +                       btrtl_dev->project_id = project_id;
>                         break;
> +               }
>         }
>
>         if (i >= ARRAY_SIZE(project_id_to_lmp_subver)) {
> @@ -719,18 +735,19 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
>          */
>         set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
>
> -       if (!btrtl_dev->ic_info)
> -               goto done;
> -
>         /* Enable central-peripheral role (able to create new connections with
>          * an existing connection in slave role).
>          */
> -       switch (btrtl_dev->ic_info->lmp_subver) {
> -       case RTL_ROM_LMP_8822B:
> +       /* Enable WBS supported for the specific Realtek devices. */
> +       switch (btrtl_dev->project_id) {
> +       case CHIP_ID_8822C:
> +       case CHIP_ID_8852A:
>                 set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
> +               set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
>                 break;
>         default:
>                 rtl_dev_dbg(hdev, "Central-peripheral role not enabled.");
> +               rtl_dev_dbg(hdev, "WBS supported not enabled.");
>                 break;
>         }
>
> --
> 2.17.1
>



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