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-rw-r--r--sound/usb/usbaudio.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index b8359a0aa008..ffbb4b0d09a0 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -45,6 +45,7 @@ struct snd_usb_audio {
struct list_head pcm_list; /* list of pcm streams */
struct list_head ep_list; /* list of audio-related endpoints */
struct list_head iface_ref_list; /* list of interface refcounts */
+ struct list_head clock_ref_list; /* list of clock refcounts */
int pcm_devs;
struct list_head midi_list; /* list of midi interfaces */
@@ -164,6 +165,10 @@ extern bool snd_usb_skip_validation;
* Support generic DSD raw U32_BE format
* QUIRK_FLAG_SET_IFACE_FIRST:
* Set up the interface at first like UAC1
+ * QUIRK_FLAG_GENERIC_IMPLICIT_FB
+ * Apply the generic implicit feedback sync mode (same as implicit_fb=1 option)
+ * QUIRK_FLAG_SKIP_IMPLICIT_FB
+ * Don't apply implicit feedback sync mode
*/
#define QUIRK_FLAG_GET_SAMPLE_RATE (1U << 0)
@@ -183,5 +188,7 @@ extern bool snd_usb_skip_validation;
#define QUIRK_FLAG_IGNORE_CTL_ERROR (1U << 14)
#define QUIRK_FLAG_DSD_RAW (1U << 15)
#define QUIRK_FLAG_SET_IFACE_FIRST (1U << 16)
+#define QUIRK_FLAG_GENERIC_IMPLICIT_FB (1U << 17)
+#define QUIRK_FLAG_SKIP_IMPLICIT_FB (1U << 18)
#endif /* __USBAUDIO_H */