diff options
| author | Jett Rink <jettrink@chromium.org> | 2019-01-30 10:19:16 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-08-02 17:47:24 +0000 |
| commit | f61aac7cd0a62aa57ed8c33bb49c45b6d9ae43c0 (patch) | |
| tree | d81a4a6b5c19750bae2fb0e34eee92c8d29908b3 /driver | |
| parent | 53397669f18b6a4729c238aa9a2b479c36966e12 (diff) | |
| download | chrome-ec-f61aac7cd0a62aa57ed8c33bb49c45b6d9ae43c0.tar.gz | |
lsm6ds3: Add LDM6DS3 variant to existing LSM6DSM
The lsm6dsX where X is M/L/3 are very similar. The only differences
appear to be the who am I register value and fifo size.
BRANCH=none
BUG=b:122281217
TEST=Arcada with CL stack, can read sensor data via EC console using
`accelread 0` command
Change-Id: Iaa12d49616c66e574e069b43aba2618722f0dda0
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1446533
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Gwendal Grignou <gwendal@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1719528
Reviewed-by: Edward Hill <ecgh@chromium.org>
Tested-by: Edward Hill <ecgh@chromium.org>
Commit-Queue: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/accelgyro_lsm6dsm.c | 7 | ||||
| -rw-r--r-- | driver/accelgyro_lsm6dsm.h | 1 |
2 files changed, 6 insertions, 2 deletions
diff --git a/driver/accelgyro_lsm6dsm.c b/driver/accelgyro_lsm6dsm.c index 9e333c95f2..dc9a0ff5aa 100644 --- a/driver/accelgyro_lsm6dsm.c +++ b/driver/accelgyro_lsm6dsm.c @@ -4,7 +4,7 @@ */ /** - * LSM6DSx (x is L or M) accelerometer and gyro module for Chrome EC + * LSM6DSx (x is L/M/3) accelerometer and gyro module for Chrome EC * 3D digital accelerometer & 3D digital gyroscope * This driver supports both devices LSM6DSM and LSM6DSL */ @@ -600,8 +600,11 @@ static int init(const struct motion_sensor_t *s) if (ret != EC_SUCCESS) return EC_ERROR_UNKNOWN; - if (tmp != LSM6DSM_WHO_AM_I) + if (tmp != LSM6DS3_WHO_AM_I && tmp != LSM6DSM_WHO_AM_I) { + /* Unrecognized sensor */ + CPRINTS("Unknown WHO_AM_I value: 0x%x", tmp); return EC_ERROR_ACCESS_DENIED; + } /* * This sensor can be powered through an EC reboot, so the state of the diff --git a/driver/accelgyro_lsm6dsm.h b/driver/accelgyro_lsm6dsm.h index a9191bdfb4..bfbf1fc26c 100644 --- a/driver/accelgyro_lsm6dsm.h +++ b/driver/accelgyro_lsm6dsm.h @@ -69,6 +69,7 @@ /* Who Am I */ #define LSM6DSM_WHO_AM_I_REG 0x0f #define LSM6DSM_WHO_AM_I 0x6a +#define LSM6DS3_WHO_AM_I 0x69 #define LSM6DSM_CTRL1_ADDR 0x10 #define LSM6DSM_XL_ODR_MASK 0xf0 |