From a350aff45b4d33355cdc59b7b76950e39639e32f Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Tue, 8 Sep 2020 21:45:20 +0800 Subject: soundwire: bus: export broadcast read/write capability for tests Provide prototype and export symbol to enable tests. The bus lock is handled externally to avoid conflicts e.g. between kernel-generated traffic and test traffic. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao Reviewed-by: Kai Vehmanen Reviewed-by: Guennadi Liakhovetski Link: https://lore.kernel.org/r/20200908134521.6781-7-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/bus.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/soundwire/bus.h') diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h index 82484f741168..c53345fbc4c7 100644 --- a/drivers/soundwire/bus.h +++ b/drivers/soundwire/bus.h @@ -168,6 +168,10 @@ sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val) return sdw_write(slave, addr, tmp); } +/* broadcast read/write for tests */ +int sdw_bread_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr); +int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 value); + /* * At the moment we only track Master-initiated hw_reset. * Additional fields can be added as needed -- cgit v1.2.3-59-g8ed1b