diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 4000a994fe2c..c28eb9fc6176 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -943,6 +943,55 @@ static int btmtksdio_get_data_path_id(struct hci_dev *hdev, __u8 *data_path_id) return 0; } +static int btmtksdio_get_codec_config_data(struct hci_dev *hdev, + __u8 link, struct bt_codec *codec, + __u8 *ven_len, __u8 **ven_data) +{ + int err = 0; + + if (!ven_data || !ven_len) + return -EINVAL; + + *ven_len = 0; + *ven_data = NULL; + + if (link != ESCO_LINK) { + bt_dev_err(hdev, "Invalid link type(%u)", link); + return -EINVAL; + } + + *ven_data = kmalloc(sizeof(__u8), GFP_KERNEL); + if (!ven_data) { + err = -ENOMEM; + goto error; + } + + /* supports only CVSD and mSBC offload codecs */ + switch (codec->id) { + case 0x02: + **ven_data = 0x00; + break; + case 0x05: + **ven_data = 0x01; + break; + default: + err = -EINVAL; + bt_dev_err(hdev, "Invalid codec id(%u)", codec->id); + goto error; + } + /* codec and its capabilities are pre-defined to ids + * preset id = 0x00 represents CVSD codec with sampling rate 8K + * preset id = 0x01 represents mSBC codec with sampling rate 16K + */ + *ven_len = sizeof(__u8); + return err; + +error: + kfree(*ven_data); + *ven_data = NULL; + return err; +} + static int btmtksdio_sco_setting(struct hci_dev *hdev) { const struct btmtk_sco sco_setting = { @@ -980,6 +1029,7 @@ static int btmtksdio_sco_setting(struct hci_dev *hdev) return err; hdev->get_data_path_id = btmtksdio_get_data_path_id; + hdev->get_codec_config_data = btmtksdio_get_codec_config_data; return err; } |