Driver probe and remove were inconsistent in what they did to power-down and neither did all steps. In addition to that, neither function prevented the interrupt handler from running during and after power-down. Richard Fitzgerald (2): ASoC: cs42l42: Reset and power-down on remove() and failed probe() ASoC: cs42l42: free_irq() before powering-down on probe() fail sound/soc/codecs/cs42l42.c | 43 +++++++++++++++++++++++++++++++------------ 1 file changed, 31 insertions(+), 12 deletions(-) -- 2.11.0