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| author | Marc Zyngier <maz@misterjones.org> | 2010-03-05 22:44:36 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 20:26:48 +0100 |
| commit | 89ea8bbe9c3eb2ea0cb57a4ecf283cab7326f0b0 (patch) | |
| tree | f06f9594be6e64699ae3d8672d4868b81e25cfa7 /drivers/gpio/cs5535-gpio.c | |
| parent | timbgpio: add support for interrupt triggering on both flanks (diff) | |
| download | linux-89ea8bbe9c3eb2ea0cb57a4ecf283cab7326f0b0.tar.xz linux-89ea8bbe9c3eb2ea0cb57a4ecf283cab7326f0b0.zip | |
gpio: pca953x.c: add interrupt handling capability
Most of the GPIO expanders controlled by the pca953x driver are able to
report changes on the input pins through an *INT pin.
This patch implements the irq_chip functionality (edge detection only).
The driver has been tested on an Arcom Zeus.
[akpm@linux-foundation.org: the compiler does inlining for us nowadays]
Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Nate Case <ncase@xes-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpio/cs5535-gpio.c')
0 files changed, 0 insertions, 0 deletions