diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 509dbc5..1b6b5e0 100755
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -2487,10 +2487,6 @@
                 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);
@@ -2511,10 +2507,6 @@
                 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);
@@ -4090,9 +4082,6 @@
         } 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)) {
@@ -6296,10 +6285,12 @@
                        __func__);
         }
         /*reset sample rate to 48khz if sample rate less than 44.1khz, or device backend dose not support 44.1 khz*/
-        if ((sample_rate == OUTPUT_SAMPLING_RATE_44100 && backend_idx != HEADPHONE_44_1_BACKEND)
-            || sample_rate < OUTPUT_SAMPLING_RATE_44100) {
-                sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
-            ALOGD("%s:becf: afe: reset sample rate to default Sample Rate(48k)",__func__);
+        if ((sample_rate == OUTPUT_SAMPLING_RATE_44100 &&
+             backend_idx != HEADPHONE_44_1_BACKEND &&
+             backend_idx != HEADPHONE_BACKEND) ||
+            sample_rate < OUTPUT_SAMPLING_RATE_44100) {
+            sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
+            ALOGD("%s:becf: afe: set sample rate to default Sample Rate(48k)",__func__);
         }
     }
 
@@ -6429,13 +6420,6 @@
 
     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;