ALSA: Add USB US122L driver
Added a new US122L usb-audio driver. This driver works together with a
dedicated alsa-lib plugin.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h
new file mode 100644
index 0000000..3d10c4b
--- /dev/null
+++ b/sound/usb/usx2y/us122l.h
@@ -0,0 +1,27 @@
+#ifndef US122L_H
+#define US122L_H
+
+
+struct us122l {
+ struct snd_usb_audio chip;
+ int stride;
+ struct usb_stream_kernel sk;
+
+ struct mutex mutex;
+ struct file *first;
+ unsigned second_periods_polled;
+ struct file *master;
+ struct file *slave;
+
+ atomic_t mmap_count;
+};
+
+
+#define US122L(c) ((struct us122l *)(c)->private_data)
+
+#define NAME_ALLCAPS "US-122L"
+
+#define USB_ID_US122L 0x800E
+#define USB_ID_US144 0x800F
+
+#endif