diff options
| author | Gregory Nutt <gnutt@nuttx.org> | 2014-08-04 14:52:59 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-08-04 14:52:59 -0600 |
| commit | 8d3f3c9fbf532d1e3ee63f35c2dfd1e7f26a3a14 (patch) | |
| tree | fe516e2a748ddcb7b9ae535a65431f02e93a6dac /nuttx | |
| parent | c0fbf8e319b8648ef9f5b25161620c03aed9f37c (diff) | |
| download | px4-nuttx-8d3f3c9fbf532d1e3ee63f35c2dfd1e7f26a3a14.tar.gz px4-nuttx-8d3f3c9fbf532d1e3ee63f35c2dfd1e7f26a3a14.tar.bz2 px4-nuttx-8d3f3c9fbf532d1e3ee63f35c2dfd1e7f26a3a14.zip | |
WM8904 interface enable method now returns the previous interrupt state
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/include/nuttx/audio/wm8904.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/nuttx/include/nuttx/audio/wm8904.h b/nuttx/include/nuttx/audio/wm8904.h index c2f0a78ed..6536d7789 100644 --- a/nuttx/include/nuttx/audio/wm8904.h +++ b/nuttx/include/nuttx/audio/wm8904.h @@ -128,6 +128,7 @@ #define WM8904_DETACH(s) ((s)->attach(s,NULL,NULL)) #define WM8904_ENABLE(s) ((s)->enable(s,true)) #define WM8904_DISABLE(s) ((s)->enable(s,false)) +#define WM8904_RESTORE(s,e) ((s)->enable(s,e)) /**************************************************************************** * Public Types @@ -171,12 +172,13 @@ struct wm8904_lower_s * * attach - Attach or detach the WM8904 interrupt handler to the GPIO * interrupt - * enable - Enable or disable the GPIO interrupt + * enable - Enable or disable the GPIO interrupt. Returns the + * previous interrupt state. */ CODE int (*attach)(FAR const struct wm8904_lower_s *lower, wm8904_handler_t isr, FAR void *arg); - CODE void (*enable)(FAR const struct wm8904_lower_s *lower, bool enable); + CODE bool (*enable)(FAR const struct wm8904_lower_s *lower, bool enable); }; /**************************************************************************** |