diff options
| author | Jassi Brar <jaswinder.singh@linaro.org> | 2012-02-02 21:59:53 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-02-15 10:09:48 +0200 |
| commit | 18b5b3b55f44c28a0380f3559d1db3c467f94b4a (patch) | |
| tree | 6d2463baf80faa2609bc8979cd0e63440953c9fa /drivers/usb/gadget/u_uac1.h | |
| parent | 6e4b74e4690dd03b5664fa4895c3db0607d64742 (diff) | |
usb: gadget: Rename audio function to uac1
The extant USB-Audio function driver complies to UAC_1 spec.
So name the files accordingly, paving way for inclusion of
a new UAC_2 specified driver.
Signed-off-by: Yadi Brar <yadi.brar01@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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 00000000000..18c2e729faf --- /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 */ |