diff options
Diffstat (limited to 'drivers/usb/gadget/function/u_audio.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_audio.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/u_audio.h b/drivers/usb/gadget/function/u_audio.h index 8dfdae1721cd..9512b8fccfaa 100644 --- a/drivers/usb/gadget/function/u_audio.h +++ b/drivers/usb/gadget/function/u_audio.h @@ -10,6 +10,7 @@ #define __U_AUDIO_H #include <linux/usb/composite.h> +#include "uac_common.h" /* * Same maximum frequency deviation on the slower side as in @@ -40,16 +41,18 @@ struct uac_fu_params { struct uac_params { /* playback */ int p_chmask; /* channel mask */ - int p_srate; /* rate in Hz */ + int p_srates[UAC_MAX_RATES]; /* available rates in Hz (0 terminated list) */ int p_ssize; /* sample size */ struct uac_fu_params p_fu; /* Feature Unit parameters */ /* capture */ int c_chmask; /* channel mask */ - int c_srate; /* rate in Hz */ + int c_srates[UAC_MAX_RATES]; /* available rates in Hz (0 terminated list) */ int c_ssize; /* sample size */ struct uac_fu_params c_fu; /* Feature Unit parameters */ + /* rates are dynamic, in uac_rtd_params */ + int req_number; /* number of preallocated requests */ int fb_max; /* upper frequency drift feedback limit per-mil */ }; @@ -117,9 +120,16 @@ void u_audio_stop_capture(struct g_audio *g_audio); int u_audio_start_playback(struct g_audio *g_audio); void u_audio_stop_playback(struct g_audio *g_audio); +int u_audio_get_capture_srate(struct g_audio *audio_dev, u32 *val); +int u_audio_set_capture_srate(struct g_audio *audio_dev, int srate); +int u_audio_get_playback_srate(struct g_audio *audio_dev, u32 *val); +int u_audio_set_playback_srate(struct g_audio *audio_dev, int srate); + int u_audio_get_volume(struct g_audio *g_audio, int playback, s16 *val); int u_audio_set_volume(struct g_audio *g_audio, int playback, s16 val); int u_audio_get_mute(struct g_audio *g_audio, int playback, int *val); int u_audio_set_mute(struct g_audio *g_audio, int playback, int val); +void u_audio_suspend(struct g_audio *g_audio); + #endif /* __U_AUDIO_H */ |