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Subject[PATCH 08/13] viafb: Introduce viafb_find_i2c_adapter()
Date
The camera driver will need this to look up a specific adapter.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---
drivers/video/via/via_i2c.c | 13 +++++++++++++
drivers/video/via/via_i2c.h | 3 +--
2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index dbb2392..ba29350 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -159,6 +159,19 @@ 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,
diff --git a/drivers/video/via/via_i2c.h b/drivers/video/via/via_i2c.h
index da3a96a..41f84ed 100644
--- a/drivers/video/via/via_i2c.h
+++ b/drivers/video/via/via_i2c.h
@@ -36,6 +36,5 @@ int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);

-struct viafb_par;
-struct i2c_adapter *viafb_find_adapter(enum viafb_i2c_adap which);
+struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
#endif /* __VIA_I2C_H__ */
--
1.7.0.1


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