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| author | Yuval Peress <peress@chromium.org> | 2021-09-18 10:54:16 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-09-21 02:41:35 +0000 |
| commit | 773a0ca0b7d2d7d9aad543e2c894fd4cf363d3cd (patch) | |
| tree | f3d4664c41e2849a70148004f48bcfa118050cb0 /zephyr | |
| parent | 558b809aae30c8e8e72492bc11831ce0f9aa9d24 (diff) | |
| download | chrome-ec-773a0ca0b7d2d7d9aad543e2c894fd4cf363d3cd.tar.gz | |
zephyr: test: Test failed write on soft reset register (lis2dw12)
Test the init code path that fails writing the soft reset register.
BRANCH=none
BUG=b:200046770
TEST=zmake configure --test zephyr/test/drivers
Signed-off-by: Yuval Peress <peress@chromium.org>
Change-Id: Ic395c7dd749c4203800b72afbb024919a71d0eae
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3170535
Commit-Queue: Yuval Peress <peress@google.com>
Tested-by: Yuval Peress <peress@google.com>
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'zephyr')
| -rw-r--r-- | zephyr/emul/emul_lis2dw12.c | 15 | ||||
| -rw-r--r-- | zephyr/test/drivers/src/lis2dw12.c | 15 |
2 files changed, 30 insertions, 0 deletions
diff --git a/zephyr/emul/emul_lis2dw12.c b/zephyr/emul/emul_lis2dw12.c index e0ca762a8e..fba6dbe758 100644 --- a/zephyr/emul/emul_lis2dw12.c +++ b/zephyr/emul/emul_lis2dw12.c @@ -29,6 +29,8 @@ struct lis2dw12_emul_data { struct i2c_common_emul_data common; /** Emulated who-am-i register */ uint8_t who_am_i_reg; + /** Emulated ctrl2 register */ + uint8_t ctrl2_reg; }; struct lis2dw12_emul_cfg { @@ -49,7 +51,10 @@ void lis2dw12_emul_reset(const struct emul *emul) i2c_common_emul_set_read_fail_reg(lis2dw12_emul_to_i2c_emul(emul), I2C_COMMON_EMUL_NO_FAIL_REG); + i2c_common_emul_set_write_fail_reg(lis2dw12_emul_to_i2c_emul(emul), + I2C_COMMON_EMUL_NO_FAIL_REG); data->who_am_i_reg = LIS2DW12_WHO_AM_I; + data->ctrl2_reg = 0; } void lis2dw12_emul_set_who_am_i(const struct emul *emul, uint8_t who_am_i) @@ -69,6 +74,10 @@ static int lis2dw12_emul_read_byte(struct i2c_emul *emul, int reg, uint8_t *val, __ASSERT_NO_MSG(bytes == 0); *val = data->who_am_i_reg; break; + case LIS2DW12_CTRL2_ADDR: + __ASSERT_NO_MSG(bytes == 0); + *val = data->ctrl2_reg; + break; default: return -EINVAL; } @@ -78,10 +87,16 @@ static int lis2dw12_emul_read_byte(struct i2c_emul *emul, int reg, uint8_t *val, static int lis2dw12_emul_write_byte(struct i2c_emul *emul, int reg, uint8_t val, int bytes) { + struct lis2dw12_emul_data *data = LIS2DW12_DATA_FROM_I2C_EMUL(emul); + switch (reg) { case LIS2DW12_WHO_AM_I_REG: LOG_ERR("Can't write to who-am-i register"); return -EINVAL; + case LIS2DW12_CTRL2_ADDR: + __ASSERT_NO_MSG(bytes == 1); + data->ctrl2_reg = val; + break; default: return -EINVAL; } diff --git a/zephyr/test/drivers/src/lis2dw12.c b/zephyr/test/drivers/src/lis2dw12.c index 06009f95a0..0b89ca88b0 100644 --- a/zephyr/test/drivers/src/lis2dw12.c +++ b/zephyr/test/drivers/src/lis2dw12.c @@ -45,6 +45,18 @@ static void test_lis2dw12_init__fail_who_am_i(void) EC_ERROR_ACCESS_DENIED); } +static void test_lis2dw12_init__fail_write_soft_reset(void) +{ + const struct emul *emul = emul_get_binding(EMUL_LABEL); + struct motion_sensor_t *ms = &motion_sensors[LIS2DW12_SENSOR_ID]; + int rv; + + i2c_common_emul_set_write_fail_reg(lis2dw12_emul_to_i2c_emul(emul), + LIS2DW12_SOFT_RESET_ADDR); + rv = ms->drv->init(ms); + zassert_equal(EC_ERROR_INVAL, rv, NULL); +} + void test_suite_lis2dw12(void) { ztest_test_suite(lis2dw12, @@ -53,6 +65,9 @@ void test_suite_lis2dw12(void) lis2dw12_setup, unit_test_noop), ztest_unit_test_setup_teardown( test_lis2dw12_init__fail_who_am_i, + lis2dw12_setup, unit_test_noop), + ztest_unit_test_setup_teardown( + test_lis2dw12_init__fail_write_soft_reset, lis2dw12_setup, unit_test_noop)); ztest_run_test_suite(lis2dw12); } |