--- /dev/null
+Add config option --with-dev-dsp.
+
+Upstream-Status: Pending
+
+Signed-off-by: Zhang Xiao <xiao.zhang@windriver.com>
+---
+--- a/configure.ac
++++ b/configure.ac
+@@ -106,6 +106,16 @@ AC_ARG_WITH(python,[  --with-python[[=AR
+   fi
+   ])
+ 
++AC_ARG_WITH(dev-dsp,[  --with-dev-dsp          enables dev/dsp for entropy producing. auto for auto-detecting dev/dep on host. [[default=no]]],[
++  if test "$withval" = yes; then
++    AC_DEFINE([HAVE_DEV_DSP], 1)
++  else
++    if test "$withval" = auto;  then
++      ac_detect_dev_dsp=yes
++    fi
++  fi
++  ],[ac_detect_dev_dsp=no])
++
+ # Check for expert mode
+ if test "$ac_enable_expert_mode" = yes; then
+   BEE_EXPERT_MODE
+@@ -464,7 +474,7 @@ linux*)
+       ac_cv_have_dev_dsp=no
+     fi
+     ])
+-  if test "$ac_cv_have_dev_dsp" = yes; then
++  if test "$ac_cv_have_dev_dsp" = yes && test "$ac_detect_dev_dsp" = yes; then
+     AC_DEFINE([HAVE_DEV_DSP], 1)
+   fi
+   ;;