From d919f90cf6eb615b524fa0e74c5a9b15096603aa Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 31 May 2018 09:32:22 +0200
Subject: [PATCH] core: use bits_for(n) instead of max=n on Mux (fix case with
 only one group of signals)

---
 litescope/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litescope/core.py b/litescope/core.py
index 522eaf5..a2d8c89 100644
--- a/litescope/core.py
+++ b/litescope/core.py
@@ -122,7 +122,7 @@ class _Mux(Module, AutoCSR):
 
         # # #
 
-        value = Signal(max=n)
+        value = Signal(bits_for(n))
         self.specials += MultiReg(self.value.storage, value, "scope")
 
         cases = {}