ASoC: qcom: apq8016-sbc: add mic support

This patch add mic support on apq8016-sbc board aka db410c. Tested it
with headset mic.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index 1efdf0088ecd..1289543c8fb2 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -30,6 +30,7 @@ struct apq8016_sbc_data {
         struct snd_soc_dai_link dai_link[];     /* dynamically allocated */
 };
 
+#define MIC_CTRL_TER_WS_SLAVE_SEL       BIT(21)
 #define MIC_CTRL_QUA_WS_SLAVE_SEL_10    BIT(17)
 #define MIC_CTRL_TLMM_SCLK_EN           BIT(1)
 #define SPKR_CTL_PRI_WS_SLAVE_SEL_11    (BIT(17) | BIT(16))
@@ -53,6 +54,12 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
                         MIC_CTRL_TLMM_SCLK_EN,
                         pdata->mic_iomux);
                 break;
+        case MI2S_TERTIARY:
+                writel(readl(pdata->mic_iomux) | MIC_CTRL_TER_WS_SLAVE_SEL |
+                        MIC_CTRL_TLMM_SCLK_EN,
+                        pdata->mic_iomux);
+
+                break;
 
         default:
                 dev_err(card->dev, "unsupported cpu dai configuration\n");
@@ -126,9 +133,6 @@ static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)
                 }
 
                 link->platform_of_node = link->cpu_of_node;
-                /* For now we only support playback */
-                link->playback_only = true;
-
                 ret = of_property_read_string(np, "link-name", &link->name);
                 if (ret) {
                         dev_err(card->dev, "error getting codec dai_link name\n");