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author | Michael Hennerich <michael.hennerich@analog.com> | 2010-06-25 08:44:10 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-06-25 08:55:15 -0700 |
commit | 671386bb23c57e5448f386a41101ed65ad1d488c (patch) | |
tree | 24a5292641e6228833ba09ec309838a426a55fee /include/linux/input | |
parent | e27c729219ad24c8ac9a4b34cf192e56917565c5 (diff) | |
download | op-kernel-dev-671386bb23c57e5448f386a41101ed65ad1d488c.zip op-kernel-dev-671386bb23c57e5448f386a41101ed65ad1d488c.tar.gz |
Input: adxl34x - add support for ADXL346 orientation sensing
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/input')
-rw-r--r-- | include/linux/input/adxl34x.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/input/adxl34x.h b/include/linux/input/adxl34x.h index 7121182..df00d99 100644 --- a/include/linux/input/adxl34x.h +++ b/include/linux/input/adxl34x.h @@ -288,6 +288,62 @@ struct adxl34x_platform_data { u32 ev_code_ff; /* EV_KEY */ u32 ev_code_act_inactivity; /* EV_KEY */ + /* + * Use ADXL34x INT2 instead of INT1 + */ u8 use_int2; + + /* + * ADXL346 only ORIENTATION SENSING feature + * The orientation function of the ADXL346 reports both 2-D and + * 3-D orientation concurrently. + */ + +#define ADXL_EN_ORIENTATION_2D 1 +#define ADXL_EN_ORIENTATION_3D 2 +#define ADXL_EN_ORIENTATION_2D_3D 3 + + u8 orientation_enable; + + /* + * The width of the deadzone region between two or more + * orientation positions is determined by setting the Deadzone + * value. The deadzone region size can be specified with a + * resolution of 3.6deg. The deadzone angle represents the total + * angle where the orientation is considered invalid. + */ + +#define ADXL_DEADZONE_ANGLE_0p0 0 /* !!!0.0 [deg] */ +#define ADXL_DEADZONE_ANGLE_3p6 1 /* 3.6 [deg] */ +#define ADXL_DEADZONE_ANGLE_7p2 2 /* 7.2 [deg] */ +#define ADXL_DEADZONE_ANGLE_10p8 3 /* 10.8 [deg] */ +#define ADXL_DEADZONE_ANGLE_14p4 4 /* 14.4 [deg] */ +#define ADXL_DEADZONE_ANGLE_18p0 5 /* 18.0 [deg] */ +#define ADXL_DEADZONE_ANGLE_21p6 6 /* 21.6 [deg] */ +#define ADXL_DEADZONE_ANGLE_25p2 7 /* 25.2 [deg] */ + + u8 deadzone_angle; + + /* + * To eliminate most human motion such as walking or shaking, + * a Divisor value should be selected to effectively limit the + * orientation bandwidth. Set the depth of the filter used to + * low-pass filter the measured acceleration for stable + * orientation sensing + */ + +#define ADXL_LP_FILTER_DIVISOR_2 0 +#define ADXL_LP_FILTER_DIVISOR_4 1 +#define ADXL_LP_FILTER_DIVISOR_8 2 +#define ADXL_LP_FILTER_DIVISOR_16 3 +#define ADXL_LP_FILTER_DIVISOR_32 4 +#define ADXL_LP_FILTER_DIVISOR_64 5 +#define ADXL_LP_FILTER_DIVISOR_128 6 +#define ADXL_LP_FILTER_DIVISOR_256 7 + + u8 divisor_length; + + u32 ev_codes_orient_2d[4]; /* EV_KEY {+X, -X, +Y, -Y} */ + u32 ev_codes_orient_3d[6]; /* EV_KEY {+Z, +Y, +X, -X, -Y, -Z} */ }; #endif |