[PATCH] of_i2c: I2C child node 10-bit client addressing

Bharat Reddy bharat_404 at hotmail.com
Fri Oct 12 14:42:48 EST 2012


I2C clients which has 10 bit address, struct i2c_board_info,
member "flags = I2C_CLIENT_TEN" is needed.

Signed-off-by: Bharat Kumar Reddy Gooty <bharat_404 at hotmail.com>
---
 drivers/of/of_i2c.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 1e173f3..9cda7e2 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -57,6 +57,10 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
                        continue;
                }   
 
+               /* Support for i2c 10 bit client address */
+               if ((info.addr > (1 << 7) - 1) && (info.addr <= (1 << 10) - 1))
+                       info.flags = I2C_CLIENT_TEN;
+
                info.irq = irq_of_parse_and_map(node, 0); 
                info.of_node = of_node_get(node);
                info.archdata = &dev_ad;
-- 
1.7.9.5


 		 	   		  
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