[Powertop] [PATCH] Add support to store boardname in /data directory

Add support to store boardname in /data directory.
This patch is based on Linaro's changes.
---
 src/main.cpp |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 7a1b976..8a68533 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -240,12 +240,19 @@ static void load_board_params()
 	string boardname;
 	char filename[4096];
 
-	boardname = read_sysfs_string("/etc/boardname");
+	if (access("/etc/boardname", R_OK) == 0) {
+		boardname = read_sysfs_string("/etc/boardname");
 
-	if (boardname.length() < 2)
-		return;
+		if (boardname.length() < 2)
+			return;
 
-	sprintf(filename, "/var/cache/powertop/saved_parameters.powertop.%s", boardname.c_str());
+		sprintf(filename,
+			"/var/cache/powertop/saved_parameters.powertop.%s",
+			boardname.c_str());
+	} else if (access("/data", R_OK) == 0)
+		sprintf(filename,"saved_parameters.powertop");
+	else
+		return;
 
 	if (access(filename, R_OK))
 		return;
-- 
1.7.5.4