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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2014-07-15 13:09:46 +0200
committerFelipe Balbi <balbi@ti.com>2014-07-16 19:50:36 +0200
commit00a2430ff07d4e0e0e7e24e02fd8adede333b797 (patch)
treefd6680b6a8941ac1a3149ae4b77f159701bb1a61 /drivers/usb/gadget/function/u_uac1.h
parentusb: gadget: Gadget directory cleanup - group UDC drivers (diff)
downloadlinux-00a2430ff07d4e0e0e7e24e02fd8adede333b797.tar.xz
linux-00a2430ff07d4e0e0e7e24e02fd8adede333b797.zip
usb: gadget: Gadget directory cleanup - group usb functions
The drivers/usb/gadget directory contains many files. Files which are related can be distributed into separate directories. This patch moves the USB functions implementations into a separate directory. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-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 000000000000..18c2e729faf6
--- /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 */