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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-21 11:33:41 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-21 11:33:41 -0700
commit61fe2d75f138992f116ee70e83f10ff2d7e79143 (patch)
treec08ba135803a93852583a2916cd96981f53cfd06 /drivers/usb/gadget/function/u_uac1.h
parent499b3803d3e2f062f73bf22372b38393369ffcbf (diff)
parent8346b33fad01cfe93f0fd0e64cd32ff40bd4ba41 (diff)
downloadop-kernel-dev-61fe2d75f138992f116ee70e83f10ff2d7e79143.zip
op-kernel-dev-61fe2d75f138992f116ee70e83f10ff2d7e79143.tar.gz
Merge tag 'usb-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes: usb: patches for v3.17 merge window Surprisingly enough, while a big set of patches, the majority is composed of cleanups (using devm_*, fixing sparse errors, moving code around, adding const, etc). The highlights are addition of new support for PLX USB338x devices, and support for USB 2.0-only configurations of the DWC3 IP core. Signed-of-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/function/u_uac1.h')
-rw-r--r--drivers/usb/gadget/function/u_uac1.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h
new file mode 100644
index 0000000..18c2e72
--- /dev/null
+++ b/drivers/usb/gadget/function/u_uac1.h
@@ -0,0 +1,56 @@
+/*
+ * u_uac1.h -- interface to USB gadget "ALSA AUDIO" utilities
+ *
+ * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org>
+ * Copyright (C) 2008 Analog Devices, Inc
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __U_AUDIO_H
+#define __U_AUDIO_H
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/usb/audio.h>
+#include <linux/usb/composite.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+
+#include "gadget_chips.h"
+
+/*
+ * This represents the USB side of an audio card device, managed by a USB
+ * function which provides control and stream interfaces.
+ */
+
+struct gaudio_snd_dev {
+ struct gaudio *card;
+ struct file *filp;
+ struct snd_pcm_substream *substream;
+ int access;
+ int format;
+ int channels;
+ int rate;
+};
+
+struct gaudio {
+ struct usb_function func;
+ struct usb_gadget *gadget;
+
+ /* ALSA sound device interfaces */
+ struct gaudio_snd_dev control;
+ struct gaudio_snd_dev playback;
+ struct gaudio_snd_dev capture;
+
+ /* TODO */
+};
+
+int gaudio_setup(struct gaudio *card);
+void gaudio_cleanup(void);
+
+#endif /* __U_AUDIO_H */
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