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Input: ads7846 - introduce platform specific way to synchronize sampling

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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>
This commit is contained in:
Eric Miao
2009-04-11 16:54:59 -07:00
committed by Dmitry Torokhov
parent b79e83bdd9
commit fd746d540a
2 changed files with 11 additions and 0 deletions
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include/linux/spi/ads7846.h
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@@ -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);
};