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| author | Marc Zyngier <maz@misterjones.org> | 2010-05-26 14:42:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:41 -0700 |
| commit | a80a0bbee49872c296c9ed9d6af0f510fcd825a7 (patch) | |
| tree | e617afb270575fbd3c05f534444fd8895fc8a0b9 /include/linux/i2c | |
| parent | 0af62f4d1eedaacf6a85e293958699540d09fa3e (diff) | |
| download | linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.tar.gz linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.tar.bz2 linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.zip | |
gpio: add interrupt handling capability to max732x
Most of the GPIO expanders supported by the max732x driver have interrupt
generation capability by reporting changes on input pins through an INT#
pin. This patch implements the irq_chip functionnality (edge detection
only).
Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jebediah Huang <jebediah.huang@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/max732x.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/i2c/max732x.h b/include/linux/i2c/max732x.h index e10336631c62..c04bac8bf2fe 100644 --- a/include/linux/i2c/max732x.h +++ b/include/linux/i2c/max732x.h @@ -7,6 +7,9 @@ struct max732x_platform_data { /* number of the first GPIO */ unsigned gpio_base; + /* interrupt base */ + int irq_base; + void *context; /* param to setup/teardown */ int (*setup)(struct i2c_client *client, |