[Bug] Fix pmw33xx sensor corruption on get-cpi call (#23116)
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6efb71d401
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66780783c7
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@ -15,6 +15,9 @@ uint16_t pmw33xx_get_cpi(uint8_t sensor) {
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}
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uint8_t cpival = pmw33xx_read(sensor, REG_Config1);
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// In some cases (100, 900, 1700, 2500), reading the CPI corrupts the firmware and the sensor stops responding.
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// To avoid this, we write the value back to the sensor, which seems to prevent the corruption.
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pmw33xx_write(sensor, REG_Config1, cpival);
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return (uint16_t)((cpival + 1) & 0xFF) * PMW33XX_CPI_STEP;
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}
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