diff options
author | Eric Miao <eric.y.miao@gmail.com> | 2008-09-10 12:06:15 -0400 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-09-10 12:13:28 -0400 |
commit | 4d5975e5016a9025814b92981de21eaf9203caa6 (patch) | |
tree | d1bc92acac3db21a5e92795ed7802f3776acb0bd /include | |
parent | 0d46ed1c747edfe6476961d4d9f732ceb7a29074 (diff) |
Input: ads7846 - introduce .gpio_pendown to get pendown state
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/spi/ads7846.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index daf744017a31..05eab2f11e63 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h | |||
@@ -43,6 +43,9 @@ struct ads7846_platform_data { | |||
43 | u16 debounce_tol; /* tolerance used for filtering */ | 43 | u16 debounce_tol; /* tolerance used for filtering */ |
44 | u16 debounce_rep; /* additional consecutive good readings | 44 | u16 debounce_rep; /* additional consecutive good readings |
45 | * required after the first two */ | 45 | * required after the first two */ |
46 | int gpio_pendown; /* the GPIO used to decide the pendown | ||
47 | * state if get_pendown_state == NULL | ||
48 | */ | ||
46 | int (*get_pendown_state)(void); | 49 | int (*get_pendown_state)(void); |
47 | int (*filter_init) (struct ads7846_platform_data *pdata, | 50 | int (*filter_init) (struct ads7846_platform_data *pdata, |
48 | void **filter_data); | 51 | void **filter_data); |