summaryrefslogtreecommitdiff
path: root/drivers/video/via/via_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/via/via_i2c.c')
-rw-r--r--drivers/video/via/via_i2c.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index c88450ee62ba..febc1dda69c1 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -157,6 +157,19 @@ int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len
return i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
}
+/*
+ * Allow other viafb subdevices to look up a specific adapter
+ * by port name.
+ */
+struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which)
+{
+ struct via_i2c_stuff *stuff = &via_i2c_par[which];
+
+ return &stuff->adapter;
+}
+EXPORT_SYMBOL_GPL(viafb_find_i2c_adapter);
+
+
static int create_i2c_bus(struct i2c_adapter *adapter,
struct i2c_algo_bit_data *algo,
struct via_port_cfg *adap_cfg,