Call to sdw_update_slave_status() needs to be added to sdw_clear_slave_ status() to ensure Slaves are informed of the new status via update_ status() callback.

This will enable codec drivers to reset their internal states and make sure the register settings are properly restored on pm_runtime or system resume

BugLink: https://github.com/thesofproject/linux/issues/2908 BugLink: https://github.com/thesofproject/linux/issues/2637 Signed-off-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com --- drivers/soundwire/bus.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index baa236cb5484..1b115734a8f6 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -1860,6 +1860,7 @@ void sdw_clear_slave_status(struct sdw_bus *bus, u32 request) if (slave->status != SDW_SLAVE_UNATTACHED) { sdw_modify_slave_status(slave, SDW_SLAVE_UNATTACHED); slave->first_interrupt_done = false; + sdw_update_slave_status(slave, SDW_SLAVE_UNATTACHED); }

/* keep track of request, used in pm_runtime resume */