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driver: bm160: fix ODR_TO_REG macros

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Were not working when ODR > 100Hz.

BRANCH=smaug
TEST=Check by setting iio:deviceX/frequency from user space.
BUG=chrome-os-partner:39900

Change-Id: I1795e4faf85039133da6bb38ae3b415e5fde236e
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/284612
Reviewed-by: Alec Berg <alecaberg@chromium.org>
This commit is contained in:
Gwendal Grignou
2015-07-01 18:11:54 -07:00
committed by ChromeOS Commit Bot
parent 08414a6da2
commit ee44cbd583
1 changed files with 7 additions and 3 deletions
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10
driver/accelgyro_bmi160.h
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@@ -106,8 +106,12 @@
#define BMI160_ODR_1600HZ 0x0c
#define BMI160_ODR_3200HZ 0x0d
#define BMI160_REG_TO_ODR(_regval) (100000 / (1 << (8 - (_regval))))
#define BMI160_ODR_TO_REG(_odr) (__builtin_clz(100000 / (_odr)) - 23)
#define BMI160_REG_TO_ODR(_regval) \
((_regval) < 8 ? 100000 / (1 << (8 - (_regval))) : \
100000 * (1 << ((_regval) - 8)))
#define BMI160_ODR_TO_REG(_odr) \
((_odr) < 100000 ? (__builtin_clz(100000 / (_odr)) - 23) : \
(39 - __builtin_clz((_odr) / 100000)))
#define BMI160_CONF_REG(_sensor) (0x40 + 2 * (_sensor))
#define BMI160_RANGE_REG(_sensor) (0x41 + 2 * (_sensor))
@@ -283,6 +287,6 @@ enum bmi160_running_mode {
#define BMI160_FLAG_SEC_I2C_ENABLED (1 << 0)
struct bmi160_drv_data_t {
struct motion_data_t saved_data[3];
uint8_t flags;
uint8_t flags;
};
#endif /* __CROS_EC_ACCELGYRO_BMI160_H */