How do I set up the LINEIN to I2S to i.MX53 to Bluetooth audio path on the i.MX53 Sabre tablet?
If the Bluetooth configuration is alredy working ou only need the following:
1) Be sure in your Bluetooth firmware the audio output is set to PCM line or I2S.
2) Configure in your board file ( in case of Linux) the proper I2S line to be used.
3) Maybe you need to add some pull up on the line.