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[04/10] of/i2c: Add support for I2C_CLIENT_WAKE when booting with Device Tree

Message ID 1349451107-8009-5-git-send-email-lee.jones@linaro.org
State New
Headers show

Commit Message

Lee Jones Oct. 5, 2012, 3:31 p.m. UTC 
It's important for wakeup sources such as keyboards, power buttons
and the like to identify themselves as wakeup devices. Until now
this has not been possible when platforms are booting via Device
Tree.

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: devicetree-discuss@lists.ozlabs.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/of/of_i2c.c |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 1e173f3..2f20019 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -61,6 +61,9 @@  void of_i2c_register_devices(struct i2c_adapter *adap)
 		info.of_node = of_node_get(node);
 		info.archdata = &dev_ad;
 
+		if (of_get_property(node, "i2c-client-wake", NULL))
+			info.flags |= I2C_CLIENT_WAKE;
+
 		request_module("%s%s", I2C_MODULE_PREFIX, info.type);
 
 		result = i2c_new_device(adap, &info);