diff options
| author | Loic Poulain <loic.poulain@intel.com> | 2015-12-06 16:18:34 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-12-10 00:51:51 +0100 |
| commit | 6c483de1b3c41e939b735df1861759815e125304 (patch) | |
| tree | 299eb95f957d746fec1c4a197280677f857966e0 /drivers/bluetooth/btintel.c | |
| parent | 1a11ec89dba7bcfb1cb502fc5945533f317ddd03 (diff) | |
| download | lwn-6c483de1b3c41e939b735df1861759815e125304.tar.gz lwn-6c483de1b3c41e939b735df1861759815e125304.zip | |
Bluetooth: btintel: Create common Intel Version Read function
The Intel Version Read command is used to retrieve information
about hardware and firmware version/revision of Intel Bluetooth
controllers. This is an Intel generic command used in USB and
UART drivers.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btintel.c')
| -rw-r--r-- | drivers/bluetooth/btintel.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 54410479f2f5..fce154855718 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -349,6 +349,31 @@ int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug) } EXPORT_SYMBOL_GPL(btintel_set_event_mask_mfg); +int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver) +{ + struct sk_buff *skb; + + skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_CMD_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Reading Intel version information failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + + if (skb->len != sizeof(*ver)) { + bt_dev_err(hdev, "Intel version event size mismatch"); + kfree_skb(skb); + return -EILSEQ; + } + + memcpy(ver, skb->data, sizeof(*ver)); + + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btintel_read_version); + /* ------- REGMAP IBT SUPPORT ------- */ #define IBT_REG_MODE_8BIT 0x00 |