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| author | Eric Miao <eric.miao@marvell.com> | 2009-04-11 16:54:59 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-04-11 17:09:15 -0700 |
| commit | fd746d540abf8c686f5f868ae62112692e684088 (patch) | |
| tree | 2ed9a62f6566468750aec17944febfbff3e0d04d /include/linux/spi/ads7846.h | |
| parent | b79e83bdd961ec9b862191c0df51aaeb3cb85664 (diff) | |
| download | lwn-fd746d540abf8c686f5f868ae62112692e684088.tar.gz lwn-fd746d540abf8c686f5f868ae62112692e684088.zip | |
Input: ads7846 - introduce platform specific way to synchronize sampling
Noises can be introduced when LCD signals are being driven, some platforms
provide a signal to assist the synchronization of this sampling procedure.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/spi/ads7846.h')
| -rw-r--r-- | include/linux/spi/ads7846.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 05eab2f11e63..2ea20320c093 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -51,5 +51,6 @@ struct ads7846_platform_data { void **filter_data); int (*filter) (void *filter_data, int data_idx, int *val); void (*filter_cleanup)(void *filter_data); + void (*wait_for_sync)(void); }; |