Index: uspace/srv/hid/isdv4_tablet/isdv4.c
===================================================================
--- uspace/srv/hid/isdv4_tablet/isdv4.c	(revision beb83c14fc69926ddb40d44bb96dc734b5d21545)
+++ uspace/srv/hid/isdv4_tablet/isdv4.c	(revision f2d88f3fc01df99a1e5292a3a395c0754a4ef3fa)
@@ -293,5 +293,5 @@
 
 		rc = chardev_read(state->chardev, state->buf + state->buf_end,
-		    state->buf_size - state->buf_end, &nread);
+		    state->buf_size - state->buf_end, &nread, chardev_f_none);
 		if (rc != EOK && nread == 0)
 			return EIO;