1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index 029941f861af..6cf0def6d35e 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -117,7 +117,15 @@ static int elan_i2c_write_cmd(struct i2c_client *client, u16 reg, u16 cmd)
         int ret;
 
         ret = i2c_transfer(client->adapter, &msg, 1);
-        return ret == 1 ? 0 : (ret < 0 ? ret : -EIO);
+        if (ret != 1) {
+                if (ret >= 0)
+                        ret = -EIO;
+                dev_err(&client->dev, "writing cmd (0x%04x) failed: %d\n",
+                        reg, ret);
+                return ret;
+        }
+
+        return 0;
 }
 
 static int elan_i2c_initialize(struct i2c_client *client)