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authorKarsten Wiese <fzu@wemgehoertderstaat.de>2008-07-30 15:13:29 +0200
committerJaroslav Kysela <perex@perex.cz>2008-08-01 13:37:12 +0200
commit030a07e441296c372f946cd4065b5d831d8dc40c (patch)
tree4032eba646f9bf1c6f146adc40b449cf50b59a47 /sound/usb/usx2y/us122l.h
parentsound: Revert "ALSA: Fix limit of 8 PCM devices in SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE" (diff)
downloadlinux-dev-030a07e441296c372f946cd4065b5d831d8dc40c.tar.xz
linux-dev-030a07e441296c372f946cd4065b5d831d8dc40c.zip
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>
Diffstat (limited to 'sound/usb/usx2y/us122l.h')
-rw-r--r--sound/usb/usx2y/us122l.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h
new file mode 100644
index 000000000000..3d10c4b2a0f5
--- /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