asoc: sm6150: add configuration for adaptive bitrate

Add mixer ctrls to independently configure
TX and RX sample rates for BT RX and TX backends.

Change-Id: I011d3bfb85448605717e2c1a20c19a2fc86dac3f
Signed-off-by: Sharad Sangle <[email protected]>

asoc/sm6150.c

@@ -466,6 +466,12 @@ static char const *slim_sample_rate_text[] = {"KHZ_8", "KHZ_16",
 static char const *bt_sample_rate_text[] = {"KHZ_8", "KHZ_16",
 					"KHZ_44P1", "KHZ_48",
 					"KHZ_88P2", "KHZ_96"};
+static char const *bt_sample_rate_rx_text[] = {"KHZ_8", "KHZ_16",
+					"KHZ_44P1", "KHZ_48",
+					"KHZ_88P2", "KHZ_96"};
+static char const *bt_sample_rate_tx_text[] = {"KHZ_8", "KHZ_16",
+					"KHZ_44P1", "KHZ_48",
+					"KHZ_88P2", "KHZ_96"};
 static const char *const usb_ch_text[] = {"One", "Two", "Three", "Four",
 					   "Five", "Six", "Seven",
 					   "Eight"};
@@ -531,6 +537,8 @@ static SOC_ENUM_SINGLE_EXT_DECL(slim_0_tx_sample_rate, slim_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(slim_5_rx_sample_rate, slim_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(slim_6_rx_sample_rate, slim_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate, bt_sample_rate_text);
+static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate_rx, bt_sample_rate_rx_text);
+static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate_tx, bt_sample_rate_tx_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_rx_sample_rate, usb_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_sample_rate, usb_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_rx_sample_rate,
@@ -1192,7 +1200,129 @@ static int msm_bt_sample_rate_put(struct snd_kcontrol *kcontrol,
 
 	return 0;
 }
+static int msm_bt_sample_rate_rx_get(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	switch (slim_rx_cfg[SLIM_RX_7].sample_rate) {
+	case SAMPLING_RATE_96KHZ:
+		ucontrol->value.integer.value[0] = 5;
+		break;
+	case SAMPLING_RATE_88P2KHZ:
+		ucontrol->value.integer.value[0] = 4;
+		break;
+	case SAMPLING_RATE_48KHZ:
+		ucontrol->value.integer.value[0] = 3;
+		break;
+	case SAMPLING_RATE_44P1KHZ:
+		ucontrol->value.integer.value[0] = 2;
+		break;
+	case SAMPLING_RATE_16KHZ:
+		ucontrol->value.integer.value[0] = 1;
+		break;
+	case SAMPLING_RATE_8KHZ:
+	default:
+		ucontrol->value.integer.value[0] = 0;
+		break;
+	}
+	pr_debug("%s: sample rate rx = %d", __func__,
+		 slim_rx_cfg[SLIM_RX_7].sample_rate);
+
+	return 0;
+}
+
+static int msm_bt_sample_rate_rx_put(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	switch (ucontrol->value.integer.value[0]) {
+	case 1:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		break;
+	case 2:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		break;
+	case 3:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	case 4:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		break;
+	case 5:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		break;
+	}
+	pr_debug("%s: sample rate: slim7_rx = %d, value = %d\n",
+		 __func__,
+		 slim_rx_cfg[SLIM_RX_7].sample_rate,
+		 ucontrol->value.enumerated.item[0]);
+
+	return 0;
+}
+
+static int msm_bt_sample_rate_tx_get(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	switch (slim_tx_cfg[SLIM_TX_7].sample_rate) {
+	case SAMPLING_RATE_96KHZ:
+		ucontrol->value.integer.value[0] = 5;
+		break;
+	case SAMPLING_RATE_88P2KHZ:
+		ucontrol->value.integer.value[0] = 4;
+		break;
+	case SAMPLING_RATE_48KHZ:
+		ucontrol->value.integer.value[0] = 3;
+		break;
+	case SAMPLING_RATE_44P1KHZ:
+		ucontrol->value.integer.value[0] = 2;
+		break;
+	case SAMPLING_RATE_16KHZ:
+		ucontrol->value.integer.value[0] = 1;
+		break;
+	case SAMPLING_RATE_8KHZ:
+	default:
+		ucontrol->value.integer.value[0] = 0;
+		break;
+	}
+	pr_debug("%s: sample rate tx = %d", __func__,
+		 slim_tx_cfg[SLIM_TX_7].sample_rate);
+
+	return 0;
+}
 
+static int msm_bt_sample_rate_tx_put(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	switch (ucontrol->value.integer.value[0]) {
+	case 1:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		break;
+	case 2:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		break;
+	case 3:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	case 4:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		break;
+	case 5:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		break;
+	}
+	pr_debug("%s: sample rate: slim7_tx = %d, value = %d\n",
+		 __func__,
+		 slim_tx_cfg[SLIM_TX_7].sample_rate,
+		 ucontrol->value.enumerated.item[0]);
+
+	return 0;
+}
 static int cdc_dma_get_port_idx(struct snd_kcontrol *kcontrol)
 {
 	int idx = 0;
@@ -3647,6 +3777,12 @@ static const struct snd_kcontrol_new msm_common_snd_controls[] = {
 	SOC_ENUM_EXT("BT SampleRate", bt_sample_rate,
 			msm_bt_sample_rate_get,
 			msm_bt_sample_rate_put),
+	SOC_ENUM_EXT("BT SampleRate RX", bt_sample_rate_rx,
+			msm_bt_sample_rate_rx_get,
+			msm_bt_sample_rate_rx_put),
+	SOC_ENUM_EXT("BT SampleRate TX", bt_sample_rate_tx,
+			msm_bt_sample_rate_tx_get,
+			msm_bt_sample_rate_tx_put),
 	SOC_ENUM_EXT("VI_FEED_TX Channels", vi_feed_tx_chs,
 			msm_vi_feed_tx_ch_get, msm_vi_feed_tx_ch_put),
 };