more warnings for missing i2c bus

1 files changed, 2 insertions, 1 deletions

diff --git a/i2c.c b/i2c.c
index 4f1e7cf..138c2e7 100644
--- a/i2c.c
+++ b/i2c.c
@@ -24,7 +24,7 @@ void I2C_Write(gulong address, guchar value)
 	int device = open(I2C_BUS, O_RDWR);
 
 	if (device == -1) {
-		g_print_debug("ERROR: could not open I2C bus %s\n", I2C_BUS);
+		g_print_debug("ERROR: could not open I2C bus %s for writing\n", I2C_BUS);
 		return;
 	}
 
@@ -49,6 +49,7 @@ guchar I2C_Read(gulong address)
 	int device = open(I2C_BUS, O_RDWR);
 
 	if (device == -1) {
+                g_print_debug("ERROR: could not open I2C bus %s for reading\n", I2C_BUS);
 		return 0;
 	}