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| author | Josh Tsai <josh_tsai@compal.corp-partner.google.com> | 2023-03-22 11:59:26 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-04-26 08:09:33 +0000 |
| commit | f9124f7dba769724bd0baf5ba4143be9c4781d28 (patch) | |
| tree | d4a1285078783297605cc1b33b9b344f948e42cf | |
| parent | faa22b40be5c0e0c2ace3080cd4ec1942a8eb08e (diff) | |
| download | chrome-ec-f9124f7dba769724bd0baf5ba4143be9c4781d28.tar.gz | |
lis2dw: enable the low noise configuration
Enable the low noise configuration at Control register 6 bit3.
BRANCH=None
BUG=b:262680246
TEST=use i2c read_byte command to check the low noise bit is set
Change-Id: I19e519d9de69eaaac276027b1ab5bb9f80757eb1
Signed-off-by: Josh Tsai <josh_tsai@compal.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4359354
Reviewed-by: Elthan Huang <elthan_huang@compal.corp-partner.google.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Kornel Dulęba <korneld@google.com>
Reviewed-by: Kornel Dulęba <korneld@google.com>
Tested-by: Elthan Huang <elthan_huang@compal.corp-partner.google.com>
(cherry picked from commit 9da35bc68bdd8af9e4e9e9c4a6b2f19eef6dac78)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4465589
Commit-Queue: Gwendal Grignou <gwendal@chromium.org>
| -rw-r--r-- | driver/accel_lis2dw12.c | 5 | ||||
| -rw-r--r-- | driver/accel_lis2dw12.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/driver/accel_lis2dw12.c b/driver/accel_lis2dw12.c index d8c47251de..f2482491d9 100644 --- a/driver/accel_lis2dw12.c +++ b/driver/accel_lis2dw12.c @@ -505,6 +505,11 @@ static int init(struct motion_sensor_t *s) if (ret != EC_SUCCESS) goto err_unlock; + ret = st_write_data_with_mask(s, LIS2DW12_LOW_NOISE_ADDR, + LIS2DW12_LOW_NOISE_MASK, LIS2DW12_EN_BIT); + if (ret != EC_SUCCESS) + goto err_unlock; + /* Interrupt trigger level of power-on-reset is HIGH */ if (IS_ENABLED(ACCEL_LIS2DW12_INT_ENABLE)) { ret = st_write_data_with_mask(s, LIS2DW12_H_ACTIVE_ADDR, diff --git a/driver/accel_lis2dw12.h b/driver/accel_lis2dw12.h index f0c7174123..3b014d26a5 100644 --- a/driver/accel_lis2dw12.h +++ b/driver/accel_lis2dw12.h @@ -182,6 +182,9 @@ enum lis2dw12_fs { #define LIS2DW12_ACCEL_FS_MAX_VAL 16 +#define LIS2DW12_LOW_NOISE_ADDR LIS2DW12_CTRL6_ADDR +#define LIS2DW12_LOW_NOISE_MASK 0x04 + /* Acc Gain value. */ #define LIS2DW12_FS_2G_GAIN 3904 #define LIS2DW12_FS_4G_GAIN (LIS2DW12_FS_2G_GAIN << 1) |