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Input: ads7846 - introduce .gpio_pendown to get pendown state
authorEric Miao <eric.y.miao@gmail.com>
Wed, 10 Sep 2008 16:06:15 +0000 (12:06 -0400)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 17 Sep 2008 16:33:37 +0000 (17:33 +0100)
The GPIO connected to ADS7846 nPENIRQ signal is usually used to get
the pendown state as well. Introduce a .gpio_pendown, and use this
to decide the pendown state if .get_pendown_state is NULL.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

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