diff options
| author | Alexander Stein <alexander.stein@systec-electronic.com> | 2011-05-11 16:24:08 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-12 08:28:56 -0700 |
| commit | ebcaaad9d5e8fd284b8dcf25a24999420f0f56d8 (patch) | |
| tree | 041e210499460d21c7acb75ced6b819f88bb4749 /include/linux/spi/ads7846.h | |
| parent | e70bdd41bd0ead91b4a43e9d656ac1569d7c8779 (diff) | |
Input: ads7846 - add possibility to use external vref on ads7846
Just set vref_mv in your platform config to use external vref. Otherwise
the internal one is used.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/spi/ads7846.h')
| -rw-r--r-- | include/linux/spi/ads7846.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 92bd0839d5b4..c64de9dd7631 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -14,7 +14,8 @@ enum ads7846_filter { struct ads7846_platform_data { u16 model; /* 7843, 7845, 7846, 7873. */ u16 vref_delay_usecs; /* 0 for external vref; etc */ - u16 vref_mv; /* external vref value, milliVolts */ + u16 vref_mv; /* external vref value, milliVolts + * ads7846: if 0, use internal vref */ bool keep_vref_on; /* set to keep vref on for differential * measurements as well */ bool swap_xy; /* swap x and y axes */ |