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| 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) | |
| download | op-kernel-dev-4d5975e5016a9025814b92981de21eaf9203caa6.zip op-kernel-dev-4d5975e5016a9025814b92981de21eaf9203caa6.tar.gz | |
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 daf7440..05eab2f 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -43,6 +43,9 @@ struct ads7846_platform_data { u16 debounce_tol; /* tolerance used for filtering */ u16 debounce_rep; /* additional consecutive good readings * required after the first two */ + int gpio_pendown; /* the GPIO used to decide the pendown + * state if get_pendown_state == NULL + */ int (*get_pendown_state)(void); int (*filter_init) (struct ads7846_platform_data *pdata, void **filter_data); |
