imx233: add recording side and 3d to codec driver

Change-Id: I3587434749c401a28c6e77bd30395e7df15f2e8a

2 files changed, 33 insertions, 5 deletions

diff --git a/firmware/drivers/audio/imx233-codec.c b/firmware/drivers/audio/imx233-codec.c
index f808a73fae..512bab6280 100644
--- a/firmware/drivers/audio/imx233-codec.c
+++ b/firmware/drivers/audio/imx233-codec.c
@@ -53,14 +53,41 @@ void audiohw_set_frequency(int fsel)
     imx233_audioout_set_freq(fsel);
 }
 
+void audiohw_enable_recording(bool source_mic)
+{
+    imx233_audioin_open();
+    /* if source is microhpone we need to power the microphone too */
+    imx233_audioin_enable_mic(source_mic);
+}
+
+void audiohw_disable_recording(void)
+{
+    imx233_audioin_close();
+}
+
 void audiohw_set_recvol(int left, int right, int type)
 {
-    (void) left;
-    (void) right;
-    (void) type;
+    if(type == AUDIO_GAIN_LINEIN)
+    {
+        imx233_audioin_set_vol(false, left, AUDIOIN_SELECT_LINE1);
+        imx233_audioin_set_vol(true, right, AUDIOIN_SELECT_LINE1);
+        imx233_audioin_set_vol(false, left, AUDIOIN_SELECT_LINE2);
+        imx233_audioin_set_vol(true, right, AUDIOIN_SELECT_LINE2);
+        imx233_audioin_set_vol(false, left, AUDIOIN_SELECT_HEADPHONE);
+        imx233_audioin_set_vol(true, right, AUDIOIN_SELECT_HEADPHONE);
+    }
+    else
+        imx233_audioin_set_vol(false, left, AUDIOIN_SELECT_MICROPHONE);
 }
 
 void audiohw_set_depth_3d(int val)
 {
-    (void) val;
+    /* input is raw value ranging from 0dB to 6dB in tenth of dB
+     * convert to value in 1.5dB steps */
+    imx233_audioout_set_3d_effect(val / 15);
+}
+
+void audiohw_set_monitor(bool enable)
+{
+    imx233_audioout_select_hp_input(enable);
 }
diff --git a/firmware/export/imx233-codec.h b/firmware/export/imx233-codec.h
index a02ef22fec..2bd6cba5de 100644
--- a/firmware/export/imx233-codec.h
+++ b/firmware/export/imx233-codec.h
@@ -37,6 +37,7 @@ AUDIOHW_SETTING(LEFT_GAIN,  "dB", 1,   1,   0,  31,  23)
 AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1,   1,   0,  31,  23)
 AUDIOHW_SETTING(MIC_GAIN,   "dB", 1,   1,   0,   1,   1)
 #endif /* HAVE_RECORDING */
-AUDIOHW_SETTING(DEPTH_3D,    "%", 0,   1,   0,  15,   0)
+/* i.MX233 has four settings: 0dB, 3dB, 4.5dB, 6dB so fake 1.5dB steps */
+AUDIOHW_SETTING(DEPTH_3D,   "dB", 1,  15,   0,  60,   0)
 
 #endif /* __IMX233_CODEC_H_ */