diff options
Diffstat (limited to 'drivers/soundwire/intel_auxdevice.c')
| -rw-r--r-- | drivers/soundwire/intel_auxdevice.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c index b109fa84d754..b8b317b0ab48 100644 --- a/drivers/soundwire/intel_auxdevice.c +++ b/drivers/soundwire/intel_auxdevice.c @@ -210,9 +210,30 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus) static int intel_prop_read(struct sdw_bus *bus) { + struct sdw_master_prop *prop; + /* Initialize with default handler to read all DisCo properties */ sdw_master_read_prop(bus); + /* + * Only one bus frequency is supported so far, filter + * frequencies reported in the DSDT + */ + prop = &bus->prop; + if (prop->clk_freq && prop->num_clk_freq > 1) { + unsigned int default_bus_frequency; + + default_bus_frequency = + prop->default_frame_rate * + prop->default_row * + prop->default_col / + SDW_DOUBLE_RATE_FACTOR; + + prop->num_clk_freq = 1; + prop->clk_freq[0] = default_bus_frequency; + prop->max_clk_freq = default_bus_frequency; + } + /* read Intel-specific properties */ sdw_master_read_intel_prop(bus); |