diff options
Diffstat (limited to 'flashlight')
-rw-r--r-- | flashlight/Android.mk | 6 | ||||
-rw-r--r-- | flashlight/flashlight.c | 93 |
2 files changed, 99 insertions, 0 deletions
diff --git a/flashlight/Android.mk b/flashlight/Android.mk new file mode 100644 index 0000000..237d0df --- /dev/null +++ b/flashlight/Android.mk @@ -0,0 +1,6 @@ +# Copyright 2007 The Android Open Source Project + +LOCAL_SRC_FILES += flashlight/flashlight.c +ifeq ($(QEMU_HARDWARE),yes) + LOCAL_CFLAGS += -DQEMU_FLASHLIGHT +endif diff --git a/flashlight/flashlight.c b/flashlight/flashlight.c new file mode 100644 index 0000000..0325e11 --- /dev/null +++ b/flashlight/flashlight.c @@ -0,0 +1,93 @@ +#include <hardware_legacy/flashlight.h> + +#include <stdio.h> +#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() +{ + int fd; + 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'); + } + close(fd); + + return ret; +} + +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; + + nwr = sprintf(value, "%d\n", !!on); + ret = write(fd, value, nwr); + + close(fd); + + return (ret == nwr) ? 0 : -1; +} + +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; + + nwr = sprintf(value, "%d\n", milliseconds); + ret = write(fd, value, nwr); + + close(fd); + + return (ret == nwr) ? 0 : -1; +} |