samples: subsys: usb: audio: headset: Add volume control case

Add sample code for getting volume to headset sample and headphone_microphone sample Signed-off-by: Saw Xu <Saw1993@126.com>
zephyrproject-rtos · Aug 1, 2023 · 41980c2 · 41980c2
1 parent d16ded2
commit 41980c2
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/samples/subsys/usb/audio/headphones_microphone/src/main.c b/samples/subsys/usb/audio/headphones_microphone/src/main.c
@@ -45,10 +45,16 @@ static void data_received(const struct device *dev,
 static void feature_update(const struct device *dev,
 			   const struct usb_audio_fu_evt *evt)
 {
+	int16_t volume = 0;
 	LOG_DBG("Control selector %d for channel %d updated",
 		evt->cs, evt->channel);
 	switch (evt->cs) {
 	case USB_AUDIO_FU_MUTE_CONTROL:
+		break;
+	case USB_AUDIO_FU_VOLUME_CONTROL:
+		volume = *((int16_t *)(evt->val));
+		LOG_INF("set volume: %d", volume);
+		break;
 	default:
 		break;
 	}

diff --git a/samples/subsys/usb/audio/headset/src/main.c b/samples/subsys/usb/audio/headset/src/main.c
@@ -43,10 +43,16 @@ static void data_received(const struct device *dev,
 static void feature_update(const struct device *dev,
 			   const struct usb_audio_fu_evt *evt)
 {
+	int16_t volume = 0;
 	LOG_DBG("Control selector %d for channel %d updated",
 		evt->cs, evt->channel);
 	switch (evt->cs) {
 	case USB_AUDIO_FU_MUTE_CONTROL:
+		break;
+	case USB_AUDIO_FU_VOLUME_CONTROL:
+		volume = *((int16_t *)(evt->val));
+		LOG_INF("set volume: %d", volume);
+		break;
 	default:
 		break;
 	}