Merge "minui: Add haptic feedback to virtual keys" into froyo (517a16b9) · Commits · e / os / android_bootable_recovery

minui/events.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,9 @@

		#define MAX_DEVICES 16

		#define VIBRATOR_TIMEOUT_FILE "/sys/class/timed_output/vibrator/enable"
		#define VIBRATOR_TIME_MS 50

		enum {
		DOWN_NOT,
		DOWN_SENT,
		@@ -65,6 +68,26 @@ static inline int ABS(int x) {
		return x<0?-x:x;
		}

		int vibrate(int timeout_ms)
		{
		char str[20];
		int fd;
		int ret;

		fd = open(VIBRATOR_TIMEOUT_FILE, O_WRONLY);
		if (fd < 0)
		return -1;

		ret = snprintf(str, sizeof(str), "%d", timeout_ms);
		ret = write(fd, str, ret);
		close(fd);

		if (ret < 0)
		return -1;

		return 0;
		}

		/* Returns empty tokens */
		static char vk_strtok_r(char str, const char delim, char *save_str)
		{
		@@ -300,6 +323,8 @@ static int vk_modify(struct ev e, struct input_event ev)
		ev->type = EV_KEY;
		ev->code = e->vks[i].scancode;
		ev->value = 1;

		vibrate(VIBRATOR_TIME_MS);
		return 0;
		}
		}