From 899a750986bc4e62d554d4a5dd237c0ab25b698a Mon Sep 17 00:00:00 2001 From: Bard Liao Date: Wed, 14 Jul 2021 11:36:09 +0800 Subject: [PATCH] soundwire: bus: update Slave status in sdw_clear_slave_status 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 Reviewed-by: Guennadi Liakhovetski Link: https://lore.kernel.org/r/20210714033609.11963-1-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 278a4fbdb88d..b3ed0123ed27 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -1854,6 +1854,7 @@ 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 */ -- 2.20.1