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authorLoic Poulain <loic.poulain@intel.com>2015-12-06 18:18:34 +0300
committerMarcel Holtmann <marcel@holtmann.org>2015-12-10 02:51:51 +0300
commit6c483de1b3c41e939b735df1861759815e125304 (patch)
tree299eb95f957d746fec1c4a197280677f857966e0 /drivers/bluetooth/btintel.c
parent1a11ec89dba7bcfb1cb502fc5945533f317ddd03 (diff)
downloadlinux-6c483de1b3c41e939b735df1861759815e125304.tar.xz
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.c25
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