i2c: Set default I2C bus number

[people/ms/u-boot.git] / cmd / i2c.c

diff --git a/cmd/i2c.c b/cmd/i2c.c
index 473153fbd4737a7949a3f22b0c5a29b7009b941b..3dd7c6ba4de2d014535a973ba400eae060d8698d 100644 (file)
--- a/cmd/i2c.c
+++ b/cmd/i2c.c
@@ -151,6 +151,16 @@ static int cmd_i2c_set_bus_num(unsigned int busnum)
 
 static int i2c_get_cur_bus(struct udevice **busp)
 {
+#ifdef CONFIG_I2C_SET_DEFAULT_BUS_NUM
+       if (!i2c_cur_bus) {
+               if (cmd_i2c_set_bus_num(CONFIG_I2C_DEFAULT_BUS_NUMBER)) {
+                       printf("Default I2C bus %d not found\n",
+                              CONFIG_I2C_DEFAULT_BUS_NUMBER);
+                       return -ENODEV;
+               }
+       }
+#endif
+
        if (!i2c_cur_bus) {
                puts("No I2C bus selected\n");
                return -ENODEV;