Input: alps - cache firmware version

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 8f794913f4cd..31b963dbf9a9 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1901,6 +1901,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
             alps_exit_command_mode(psmouse))
                 return -EIO;
 
+        /* Save the Firmware version */
+        memcpy(priv->fw_ver, ec, 3);
+
         if (alps_match_table(psmouse, priv, e7, ec) == 0) {
                 return 0;
         } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 &&
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index 17e3ae39bcb7..e3d0f09aeeb3 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -124,6 +124,7 @@ struct alps_fields {
  *   known format for this model.  The first byte of the report, ANDed with
  *   mask0, should match byte0.
  * @mask0: The mask used to check the first byte of the report.
+ * @fw_ver: cached copy of firmware version (EC report)
  * @flags: Additional device capabilities (passthrough port, trackstick, etc.).
  * @x_max: Largest possible X position value.
  * @y_max: Largest possible Y position value.
@@ -149,6 +150,7 @@ struct alps_data {
         int addr_command;
         unsigned char proto_version;
         unsigned char byte0, mask0;
+        unsigned char fw_ver[3];
         int flags;
         int x_max;
         int y_max;