From 9cc59bbd247da3b0b35d04ea8c864e95872d831c Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sun, 8 Jan 2012 00:51:01 +0100
Subject: [PATCH] libtriple: avoid audio noise when going to standby

---
 libtriple/pwrmngr.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libtriple/pwrmngr.cpp b/libtriple/pwrmngr.cpp
index fc55573..4788a4c 100644
--- a/libtriple/pwrmngr.cpp
+++ b/libtriple/pwrmngr.cpp
@@ -52,9 +52,15 @@ bool cCpuFreqManager::SetCpuFreq(unsigned long f)
 		return false;
 	}
 	if (f)
+	{
+		ioctl(fd, IOC_AVS_SET_VOLUME, 31); /* mute AVS to avoid ugly noise */
 		ioctl(fd, IOC_AVS_STANDBY_ENTER);
+	}
 	else
+	{
 		ioctl(fd, IOC_AVS_STANDBY_LEAVE);
+		ioctl(fd, IOC_AVS_SET_VOLUME, 0); /* max gain */
+	}
 
 	close(fd);
 	return true;