Audio Playback Mangoh Yellow + WP7611

mangOH Yellow
9

Can you try this:
in file
linux_kernel_modules/expander/expander.c
ret = gpio_initial_status(pdev, &dev_attr_pcm_sel, PCM_SEL, 0,
&dev->pcm_sel_val, false);

set the value of PCM_SEL to 1
and rebuild.

This would be the first thing to try.