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| author | Gwendal Grignou <gwendal@chromium.org> | 2015-09-12 16:20:31 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-09-20 12:33:23 -0700 |
| commit | 56670f5d8dfe784f9db8ad102fa2b282c50a0a12 (patch) | |
| tree | 1ad7f378198a85c3b9b10b6c404b59a2734148a6 /driver | |
| parent | b98e33c95000976d689a9e5537402eafadad6507 (diff) | |
| download | chrome-ec-56670f5d8dfe784f9db8ad102fa2b282c50a0a12.tar.gz | |
driver: bmm150: fix repetiton registers
Rereading the spec, the repetition registers are massaged by the chip
to produce the repetition value: for XY: 1 + 2 * REPxy, Z axis: 1 + REPz
BRANCH=smaug
BUG=chrome-os-partner:39900
TEST=check the registers matches the spec.
Change-Id: Ic8618d70c18b4f408e3c95acdbe7fcdf6d95e39e
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/299582
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/mag_bmm150.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/driver/mag_bmm150.c b/driver/mag_bmm150.c index 87933945fb..83f650213b 100644 --- a/driver/mag_bmm150.c +++ b/driver/mag_bmm150.c @@ -117,8 +117,8 @@ int bmm150_init(const struct motion_sensor_t *s) /* Set the repetition in "Regular Preset" */ - raw_mag_write8(s->addr, BMM150_REPXY, 1 + 2 * BMM150_REP(REGULAR, XY)); - raw_mag_write8(s->addr, BMM150_REPZ, 1 + BMM150_REP(REGULAR, Z)); + raw_mag_write8(s->addr, BMM150_REPXY, BMM150_REP(REGULAR, XY)); + raw_mag_write8(s->addr, BMM150_REPZ, BMM150_REP(REGULAR, Z)); ret = raw_mag_read8(s->addr, BMM150_REPXY, &val); CPRINTS("repxy: 0x%02x", val); ret = raw_mag_read8(s->addr, BMM150_REPZ, &val); |