From: Roderick Colenbrander <roderick.colenbrander@sony.com>
Date: Fri, 24 Mar 2017 22:17:45 +0000 (-0700)
Subject: HID: sony: Use DS3 MAC address as unique identifier on USB
X-Git-Tag: v4.12-rc1~126^2~1^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5a144be39c3a32b3072529ccee79e4ec9eb9b275;p=karo-tx-linux.git

HID: sony: Use DS3 MAC address as unique identifier on USB

The DS3 MAC address is reported as a unique identified when
using Bluetooth. For USB there is no unique identifier reported
yet, so use the MAC address.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 5eb5ac922c09..38674f51be8e 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -2400,6 +2400,12 @@ static int sony_check_add(struct sony_sc *sc)
 		 */
 		for (n = 0; n < 6; n++)
 			sc->mac_address[5-n] = buf[4+n];
+
+		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
+			"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+			sc->mac_address[5], sc->mac_address[4],
+			sc->mac_address[3], sc->mac_address[2],
+			sc->mac_address[1], sc->mac_address[0]);
 	} else {
 		return 0;
 	}