Merge "hal: Add separate backend for headset-mic" into audio-hal.lnx.6.0

                strdup("RX_CDC_DMA_RX_0 Format");

            my_data->current_backend_cfg[HEADPHONE_BACKEND].samplerate_mixer_ctl =

                strdup("RX_CDC_DMA_RX_0 SampleRate");

            /*

             * TODO: enable CONCURRENT_CAPTURE_ENABLED flag only if separate backend

             * is defined for headset-mic. This is to capture separate data from

             * headset-mic and handset-mic.

             */

            if(audio_extn_is_concurrent_capture_enabled()) {

                my_data->current_backend_cfg[HEADSET_TX_BACKEND].bitwidth_mixer_ctl =

                                                    strdup("TX_CDC_DMA_TX_4 Format");

                my_data->current_backend_cfg[HEADSET_TX_BACKEND].samplerate_mixer_ctl =

                                                    strdup("TX_CDC_DMA_TX_4 SampleRate");

            }

            if (default_rx_backend)

                free(default_rx_backend);