diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c index 016a68e5be2103..27d05c085d3c37 100644 --- a/drivers/soundwire/intel_auxdevice.c +++ b/drivers/soundwire/intel_auxdevice.c @@ -41,6 +41,10 @@ static int md_flags; module_param_named(sdw_md_flags, md_flags, int, 0444); MODULE_PARM_DESC(sdw_md_flags, "SoundWire Intel Master device flags (0x0 all off)"); +static int mclk_divider; +module_param_named(sdw_mclk_divider, mclk_divider, int, 0444); +MODULE_PARM_DESC(sdw_mclk_divider, "SoundWire Intel mclk divider"); + struct wake_capable_part { const u16 mfg_id; const u16 part_id; @@ -141,8 +145,12 @@ 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; + if (mclk_divider) + /* use kernel parameter for BIOS or board work-arounds */ + prop->mclk_freq /= mclk_divider; + else + /* 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",