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WL1805MOD: MRC: Secondary antenna doesn't work in 2.4GHz

Part Number: WL1805MOD

Hi,

we want to use both antennas in the mode where antenna with better signal will be used.

I thought this is driven by MRC mode but when I disconnect ANT1 (primary) I am not able to connect to wifi. It seems that ANT2 is not used.

I configured WLAN via script properly and set the ht.mode to 0x02.

As I understood this should be MRC mode and when 2 antennas are configured for 2.4Ghz it should be activated.

Here are my related settings:

wl18xx.ht.mode = 0x02
wl18xx.phy.phy_standalone = 0x00
wl18xx.phy.spare0 = 0x08
wl18xx.phy.enable_clpc = 0x00
wl18xx.phy.enable_tx_low_pwr_on_siso_rdl = 0x00
wl18xx.phy.auto_detect = 0x00
wl18xx.phy.dedicated_fem = 0x00
wl18xx.phy.low_band_component = 0x02
wl18xx.phy.low_band_component_type = 0x05
wl18xx.phy.high_band_component = 0x01
wl18xx.phy.high_band_component_type = 0x09
wl18xx.phy.number_of_assembled_ant2_4 = 0x02
wl18xx.phy.number_of_assembled_ant5 = 0x00
wl18xx.phy.pin_muxing_platform_options = 0x00, 0x00

Is it even possible to have two antennas working? What should be configured to achieve that?

Info:

We use beagle bone black based HW.

Thanks