diff options
Diffstat (limited to 'flashlight/flashlight.c')
| -rw-r--r-- | flashlight/flashlight.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/flashlight/flashlight.c b/flashlight/flashlight.c index 028a1dc..a68a98e 100644 --- a/flashlight/flashlight.c +++ b/flashlight/flashlight.c @@ -4,10 +4,38 @@ #include <unistd.h> #include <fcntl.h> #include <errno.h> +#include "qemu.h" #define FLASHLIGHT "/sys/class/leds/spotlight/brightness" #define CAMERA_FLASH "/sys/class/timed_output/flash/enable" +#ifdef QEMU_HARDWARE +int qemu_get_flashlight_enabled() +{ + char question[256]; + char answer[256]; + int len; + + len = qemu_command_format( question, sizeof question, + "get_flashlight_enabled" ); + + len = qemu_control_query( question, len, answer, sizeof answer ); + if (len <= 0) return 0; + + /* we expect an answer of 0 or 1 */ + return (answer[0] == '1'); +} + +int qemu_set_flashlight_enabled(int on) +{ + return qemu_control_command( "set_flashlight_enabled:%d", on ); +} + +int qemu_enable_camera_flash(int milliseconds) +{ + return qemu_control_command( "enable_camera_flash:%d", milliseconds ); +} +#endif int get_flashlight_enabled() { @@ -15,6 +43,8 @@ int get_flashlight_enabled() int ret = 0; char value; + QEMU_FALLBACK(get_flashlight_enabled()); + fd = open(FLASHLIGHT, O_RDONLY); if(fd && read(fd, &value, 1) == 1) { ret = (value == '1'); @@ -29,6 +59,8 @@ int set_flashlight_enabled(int on) int nwr, ret, fd; char value[20]; + QEMU_FALLBACK(set_flashlight_enabled(on)); + fd = open(FLASHLIGHT, O_RDWR); if(fd < 0) return errno; @@ -46,6 +78,8 @@ int enable_camera_flash(int milliseconds) int nwr, ret, fd; char value[20]; + QEMU_FALLBACK(enable_camera_flash(milliseconds)); + fd = open(CAMERA_FLASH, O_RDWR); if(fd < 0) return errno; |