asoc: kona: add mixer control to set channel number for speaker protection

Add mixer control to set channel number for speaker protection.

Change-Id: I67527119a65758c77dbf9b1d26cc51f956702b5e
Signed-off-by: Meng Wang <[email protected]>

asoc/kona.c

@@ -378,6 +378,8 @@ static struct dev_config afe_loopback_tx_cfg[] = {
 	[AFE_LOOPBACK_TX_IDX] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
 };
 
+static int msm_vi_feed_tx_ch = 2;
+static const char *const vi_feed_ch_text[] = {"One", "Two"};
 static char const *bit_format_text[] = {"S16_LE", "S24_LE", "S24_3LE",
 					  "S32_LE"};
 static char const *ch_text[] = {"Two", "Three", "Four", "Five",
@@ -436,6 +438,7 @@ static SOC_ENUM_SINGLE_EXT_DECL(usb_rx_format, bit_format_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_format, bit_format_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_rx_chs, usb_ch_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_chs, usb_ch_text);
+static SOC_ENUM_SINGLE_EXT_DECL(vi_feed_tx_chs, vi_feed_ch_text);
 static SOC_ENUM_SINGLE_EXT_DECL(proxy_rx_chs, ch_text);
 static SOC_ENUM_SINGLE_EXT_DECL(tdm_rx_sample_rate, tdm_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(tdm_tx_sample_rate, tdm_sample_rate_text);
@@ -545,7 +548,6 @@ static struct snd_soc_card snd_soc_card_kona_msm;
 static int dmic_0_1_gpio_cnt;
 static int dmic_2_3_gpio_cnt;
 static int dmic_4_5_gpio_cnt;
-static int msm_vi_feed_tx_ch = 2;
 
 static void *def_wcd_mbhc_cal(void);
 
@@ -980,6 +982,23 @@ static int usb_audio_tx_ch_put(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
+static int msm_vi_feed_tx_ch_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	ucontrol->value.integer.value[0] = msm_vi_feed_tx_ch - 1;
+	pr_debug("%s: msm_vi_feed_tx_ch = %ld\n", __func__,
+			ucontrol->value.integer.value[0]);
+	return 0;
+}
+
+static int msm_vi_feed_tx_ch_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	msm_vi_feed_tx_ch = ucontrol->value.integer.value[0] + 1;
+	pr_debug("%s: msm_vi_feed_tx_ch = %d\n", __func__, msm_vi_feed_tx_ch);
+	return 1;
+}
+
 static int ext_disp_get_port_idx(struct snd_kcontrol *kcontrol)
 {
 	int idx = 0;
@@ -3332,6 +3351,8 @@ static const struct snd_kcontrol_new msm_common_snd_controls[] = {
 			msm_bt_sample_rate_tx_put),
 	SOC_ENUM_EXT("AFE_LOOPBACK_TX Channels", afe_loopback_tx_chs,
 			afe_loopback_tx_ch_get, afe_loopback_tx_ch_put),
+	SOC_ENUM_EXT("VI_FEED_TX Channels", vi_feed_tx_chs,
+			msm_vi_feed_tx_ch_get, msm_vi_feed_tx_ch_put),
 };
 
 static const struct snd_kcontrol_new msm_snd_controls[] = {