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input: pinnacle: Perform software reset on init #98452

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input: pinnacle: Perform software reset on init #98452

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17 changes: 16 additions & 1 deletion drivers/input/input_pinnacle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -761,14 +761,29 @@ static int pinnacle_init(const struct device *dev)
return -ENODEV;
}

/* Clear CC */
rc = pinnacle_write(dev, PINNACLE_REG_STATUS1, 0);
if (rc < 0) {
LOG_ERR("Failed to clear CC from STATUS1 register (%d)", rc);
return rc;
}

k_usleep(50);
rc = pinnacle_write(dev, PINNACLE_REG_SYS_CONFIG1, PINNACLE_SYS_CONFIG1_RESET);

if (rc < 0) {
LOG_ERR("Failed to write reset to SYS_CONFIG1 (%d)", rc);
return rc;
}

/* Wait until the calibration is completed (SW_CC is asserted) */
ret = WAIT_FOR(pinnacle_read(dev, PINNACLE_REG_STATUS1, &value) == 0 &&
(value & PINNACLE_STATUS1_SW_CC) == PINNACLE_STATUS1_SW_CC,
PINNACLE_CALIBRATION_AWAIT_RETRY_COUNT *
PINNACLE_CALIBRATION_AWAIT_DELAY_POLL_US,
k_sleep(K_USEC(PINNACLE_CALIBRATION_AWAIT_DELAY_POLL_US)));
if (!ret) {
LOG_ERR("Failed to wait for calibration complition");
LOG_ERR("Failed to wait for calibration completion");
return -EIO;
}

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