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| author |   Ingo Molnar <mingo@kernel.org> | 2012-03-26 17:18:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-03-26 17:19:03 +0200 |
| commit | 7fd52392c56361a40f0c630a82b36b95ca31eac6 (patch) | |
| tree | 14091de24c6b28ea4cae9826f98aeedb7be091f5 /drivers/usb/gadget/u_uac1.h | |
| parent | perf: Move mmap page data_head offset assertion out of header (diff) | |
| parent | Merge tag 'stable/for-linus-3.4-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen (diff) | |
| download | linux-dev-7fd52392c56361a40f0c630a82b36b95ca31eac6.tar.xz linux-dev-7fd52392c56361a40f0c630a82b36b95ca31eac6.zip | |
Merge branch 'linus' into perf/urgent
Merge reason: we need to fix a non-trivial merge conflict.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/gadget/u_uac1.h')
| -rw-r--r-- | drivers/usb/gadget/u_uac1.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_uac1.h b/drivers/usb/gadget/u_uac1.h new file mode 100644 index 000000000000..18c2e729faf6 --- /dev/null +++ b/drivers/usb/gadget/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 */ |