diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index e66010e..454ae5b 100755
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -2434,6 +2434,10 @@
                 strdup("RX_CDC_DMA_RX_0 Format");
             my_data->current_backend_cfg[HEADPHONE_BACKEND].samplerate_mixer_ctl =
                 strdup("RX_CDC_DMA_RX_0 SampleRate");
+            my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].bitwidth_mixer_ctl =
+                strdup("RX_CDC_DMA_RX_0 Format");
+            my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].samplerate_mixer_ctl =
+                strdup("RX_CDC_DMA_RX_0 SampleRate");
 
             if (default_rx_backend)
                 free(default_rx_backend);
@@ -2454,6 +2458,10 @@
                 strdup("INT0_MI2S_RX Format");
             my_data->current_backend_cfg[HEADPHONE_BACKEND].samplerate_mixer_ctl =
                 strdup("INT0_MI2S_RX SampleRate");
+            my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].bitwidth_mixer_ctl =
+                strdup("INT0_MI2S_RX Format");
+            my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].samplerate_mixer_ctl =
+                strdup("INT0_MI2S_RX SampleRate");
 
             if (default_rx_backend)
                 free(default_rx_backend);
@@ -3988,6 +3996,9 @@
         } else if (NATIVE_AUDIO_MODE_SRC == na_mode &&
                    OUTPUT_SAMPLING_RATE_44100 == sample_rate) {
                 snd_device = SND_DEVICE_OUT_HEADPHONES_44_1;
+        } else if (NATIVE_AUDIO_MODE_TRUE_44_1 == na_mode &&
+                   OUTPUT_SAMPLING_RATE_44100 == sample_rate) {
+                snd_device = SND_DEVICE_OUT_HEADPHONES_44_1;
         } else if (NATIVE_AUDIO_MODE_MULTIPLE_44_1 == na_mode &&
                    (sample_rate % OUTPUT_SAMPLING_RATE_44100 == 0) &&
                    (out->format != AUDIO_FORMAT_DSD)) {
@@ -6318,6 +6329,13 @@
 
     backend_idx = platform_get_backend_index(snd_device);
 
+    //initialize backend config if current snd_device is SND_DEVICE_NONE
+    if (usecase->out_snd_device == SND_DEVICE_NONE) {
+        my_data->current_backend_cfg[backend_idx].sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
+        my_data->current_backend_cfg[backend_idx].bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
+        my_data->current_backend_cfg[backend_idx].channels = CODEC_BACKEND_DEFAULT_CHANNELS;
+    }
+
     if (usecase->type == TRANSCODE_LOOPBACK) {
         backend_cfg.bit_width = usecase->stream.inout->out_config.bit_width;
         backend_cfg.sample_rate = usecase->stream.inout->out_config.sample_rate;