Commit a19efb52 authored by Bard Liao's avatar Bard Liao Committed by Vinod Koul
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soundwire: intel: fix factor of two in MCLK handling 



Somehow Intel folks were confused, the property is 2x what the mclk
frequency actually is (checked the actual bus frequency with a scope)

Signed-off-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200113231129.19049-1-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent fd6a3ac8

drivers/soundwire/intel.c

+3 −0
Original line number Diff line number Diff line
@@ -880,6 +880,9 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus) 
				 "intel-sdw-ip-clock",

				 &prop->mclk_freq);



	/* the values reported by BIOS are the 2x clock, not the bus clock */

	prop->mclk_freq /= 2;



	fwnode_property_read_u32(link,

				 "intel-quirk-mask",

				 &quirk_mask);