@@ -416,6 +416,23 @@ static int toggle_i2c(void *base)
return 0;
}
+#ifdef CONFIG_I2C_MULTI_BUS
+unsigned int i2c_get_bus_num(void)
+{
+ return srdata.curr_i2c_bus;
+}
+
+int i2c_set_bus_num(unsigned bus_idx)
+{
+ if (bus_idx >= ARRAY_SIZE(srdata.i2c_data))
+ return -1;
+ if (!srdata.i2c_data[bus_idx].base)
+ return -1;
+ srdata.curr_i2c_bus = bus_idx;
+ return 0;
+}
+#endif
+
int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
{
return bus_i2c_read(get_base(), chip, addr, alen, buf, len);
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> --- v2: global data in sram section --- drivers/i2c/mxc_i2c.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)