Merge branch 'for-next' into for-linus

4 files changed, 29 insertions, 0 deletions

diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index ba4b3e3327ff..cb9900b34b67 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -156,6 +156,18 @@ struct uac2_feature_unit_descriptor {
 	__u8 bmaControls[0]; /* variable length */
 } __attribute__((packed));
 
+/* 4.7.2.10 Effect Unit Descriptor */
+
+struct uac2_effect_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUnitID;
+	__le16 wEffectType;
+	__u8 bSourceID;
+	__u8 bmaControls[]; /* variable length */
+} __attribute__((packed));
+
 /* 4.9.2 Class-Specific AS Interface Descriptor */
 
 struct uac2_as_header_descriptor {
diff --git a/include/sound/core.h b/include/sound/core.h
index ac8b692b69b4..381a010a1bd4 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -266,6 +266,7 @@ void snd_device_disconnect(struct snd_card *card, void *device_data);
 void snd_device_disconnect_all(struct snd_card *card);
 void snd_device_free(struct snd_card *card, void *device_data);
 void snd_device_free_all(struct snd_card *card);
+int snd_device_get_state(struct snd_card *card, void *device_data);
 
 /* isadma.c */
 
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index f657ff08f317..31a4b300e4c9 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1415,6 +1415,15 @@ static inline u64 pcm_format_to_bits(snd_pcm_format_t pcm_format)
 	return 1ULL << (__force int) pcm_format;
 }
 
+/**
+ * pcm_for_each_format - helper to iterate for each format type
+ * @f: the iterator variable in snd_pcm_format_t type
+ */
+#define pcm_for_each_format(f)						\
+	for ((f) = SNDRV_PCM_FORMAT_FIRST;				\
+	     (__force int)(f) <= (__force int)SNDRV_PCM_FORMAT_LAST;	\
+	     (f) = (__force snd_pcm_format_t)((__force int)(f) + 1))
+
 /* printk helpers */
 #define pcm_err(pcm, fmt, args...) \
 	dev_err((pcm)->card->dev, fmt, ##args)
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
index 661450a2095b..36f94735d23d 100644
--- a/include/sound/pcm_params.h
+++ b/include/sound/pcm_params.h
@@ -133,6 +133,13 @@ static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val)
 	return mask->bits[MASK_OFS(val)] & MASK_BIT(val);
 }
 
+/* Most of drivers need only this one */
+static inline int snd_mask_test_format(const struct snd_mask *mask,
+				       snd_pcm_format_t format)
+{
+	return snd_mask_test(mask, (__force unsigned int)format);
+}
+
 static inline int snd_mask_single(const struct snd_mask *mask)
 {
 	int i, c = 0;