From 9815326d043b08f7ad355e53b8b7027634507879 Mon Sep 17 00:00:00 2001 From: Troy Kisky Date: Thu, 19 Jul 2012 08:18:20 +0000 Subject: [PATCH] mxc_i2c: finish adding CONFIG_I2C_MULTI_BUS support Signed-off-by: Troy Kisky --- drivers/i2c/mxc_i2c.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index c00ead1f56..73d8958701 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -416,6 +416,23 @@ static int i2c_idle_bus(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); -- 2.39.5