Messages in this thread | | | Date | Thu, 1 Sep 2011 18:37:56 +0100 | From | Mark Brown <> | Subject | Re: [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client. |
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On Thu, Sep 01, 2011 at 10:52:41AM -0600, Stephen Warren wrote: > Some devices use a single pin as both an IRQ and a GPIO. In that case, > irq_gpio is the GPIO ID for that pin. Not all drivers use this feature. > Where they do, and the use of this feature is optional, and the system > wishes to disable this feature, this field must be explicitly set to a > defined invalid GPIO ID, such as -1. > > Signed-off-by: Stephen Warren <swarren@nvidia.com>
SPI could also benefit from this.
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