diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 13:06:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 13:06:10 -0700 |
| commit | e1f5b94fd0c93c3e27ede88b7ab652d086dc960f (patch) | |
| tree | e8de7a132eb88521dd1c19e128eba2d5349bdf4f /drivers/usb/gadget/u_audio.h | |
| parent | 6fd03301d76bc439382710e449f58efbb233df1b (diff) | |
| parent | 1b6ed69f974f6f32c8be0d9a7fc952822eb83b6f (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (143 commits)
USB: xhci depends on PCI.
USB: xhci: Add Makefile, MAINTAINERS, and Kconfig entries.
USB: xhci: Respect critical sections.
USB: xHCI: Fix interrupt moderation.
USB: xhci: Remove packed attribute from structures.
usb; xhci: Fix TRB offset calculations.
USB: xhci: replace if-elseif-else with switch-case
USB: xhci: Make xhci-mem.c include linux/dmapool.h
USB: xhci: drop spinlock in xhci_urb_enqueue() error path.
USB: Change names of SuperSpeed ep companion descriptor structs.
USB: xhci: Avoid compiler reordering in Link TRB giveback.
USB: xhci: Clean up xhci_irq() function.
USB: xhci: Avoid global namespace pollution.
USB: xhci: Fix Link TRB handoff bit twiddling.
USB: xhci: Fix register write order.
USB: xhci: fix some compiler warnings in xhci.h
USB: xhci: fix lots of compiler warnings.
USB: xhci: use xhci_handle_event instead of handle_event
USB: xhci: URB cancellation support.
USB: xhci: Scatter gather list support for bulk transfers.
...
Diffstat (limited to 'drivers/usb/gadget/u_audio.h')
| -rw-r--r-- | drivers/usb/gadget/u_audio.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_audio.h b/drivers/usb/gadget/u_audio.h new file mode 100644 index 00000000000..cc8d159c648 --- /dev/null +++ b/drivers/usb/gadget/u_audio.h @@ -0,0 +1,56 @@ +/* + * u_audio.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(struct gaudio *card); + +#endif /* __U_AUDIO_H */ |