1 files changed, 0 insertions, 165 deletions
diff --git a/util/lbplay.c b/util/lbplay.c
deleted file mode 100644
index 9ab0564b74..0000000000
--- a/util/lbplay.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* Copyright 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <strings.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#define LIGHTBAR "/sys/devices/virtual/chromeos/cros_ec/lightbar"
-
-int main(int argc, char **argv)
-{
-	int major, minor, fd_v;
-	int i, tries, fd_s, fd_l;
-	char buf[80];
-	int ret = 1;
-
-	/* Check version */
-	fd_v = open(LIGHTBAR "/version", O_RDONLY);
-	if (fd_v < 0) {
-		perror("can't open version file");
-		goto out;
-	}
-	ret = read(fd_v, buf, sizeof(buf) - 1);
-	if (ret <= 0) {
-		perror("can't read version");
-		close(fd_v);
-		goto out;
-	}
-	buf[ret] = '\0';
-	close(fd_v);
-
-	errno = 0;
-	/* Expect "MAJOR MINOR" */
-	if (2 != sscanf(buf, "%d %d", &major, &minor)) {
-		if (errno)
-			perror("can't parse version string");
-		else
-			fprintf(stderr, "can't parse version string\n");
-		goto out;
-	}
-	/* Pixel is "0 0". Minor change will be compatible, Major may not */
-	if (major != 0) {
-		fprintf(stderr, "Don't know how to handle version %d.%d\n",
-			major, minor);
-		goto out;
-	}
-
-	/* Take over lightbar sequencing. */
-	fd_s = open(LIGHTBAR "/sequence", O_RDWR | O_SYNC);
-	if (fd_s < 0) {
-		perror("can't open sequence control");
-		goto out;
-	}
-
-	/* NOTE: Cooperative locking only. Rude programs may not play nice. */
-	if (flock(fd_s, LOCK_EX | LOCK_NB) < 0) {
-		perror("can't lock sequence control");
-		goto out_close;
-	}
-
-	/*
-	 * If power events are changing the sequence our request to stop may
-	 * be missed, so try a few times before giving up.
-	 *
-	 * Note that every write to a control file should be prefaced with an
-	 * lseek() to the beginning. sysfs files don't work quite like normal
-	 * files.
-	 */
-	tries = 3;
-	while (1) {
-		lseek(fd_s, 0, SEEK_SET);
-		if (read(fd_s, buf, sizeof(buf)) <= 0) {
-			perror("can't read sequence control");
-			goto out_unlock;
-		}
-
-		if (!strncasecmp(buf, "stop", 4))
-			break;
-
-		if (!tries--) {
-			fprintf(stderr, "couldn't get EC to stop\n");
-			goto out_unlock;
-		}
-
-		lseek(fd_s, 0, SEEK_SET);
-		strcpy(buf, "stop");
-		if (write(fd_s, buf, strlen(buf) + 1) <= 0) {
-			perror("can't write sequence control");
-			goto out_unlock;
-		}
-	}
-
-	/* Turn the brightness all the way up */
-	fd_l = open(LIGHTBAR "/brightness", O_WRONLY | O_SYNC);
-	if (fd_l < 0) {
-		perror("can't open brightness control");
-		goto out_run;
-	}
-	strcpy(buf, "255");
-	if (write(fd_l, buf, strlen(buf) + 1) < 0) {
-		perror("can't write brightness control");
-		goto out_led;
-	}
-	close(fd_l);
-
-	/* Now let's drive the colors. */
-	fd_l = open(LIGHTBAR "/led_rgb", O_WRONLY | O_SYNC);
-	if (fd_l < 0) {
-		perror("can't open led control");
-		goto out_run;
-	}
-
-	/* Cycle through some colors. We can update multiple LEDs at once,
-	 * but there's a limit on how often we can send commands to the
-	 * lightbar. Going too fast will block, although buffering combined
-	 * with lseek() may just cause data to be lost. Read "/interval_msec"
-	 * to see what the limit is. The default is 50msec (20Hz).
-	 */
-	for (i = 0; i < 256; i += 4) {
-		sprintf(buf, "0 %d %d %d 1 %d %d %d 2 %d %d %d 3 %d %d %d",
-			i, 0, 0,
-			0, 0, i,
-			255-i, 255, 0,
-			0, 255, 255-i);
-		lseek(fd_l, 0, SEEK_SET);
-		if (write(fd_l, buf, strlen(buf) + 1) < 0)
-			perror("write to led control");
-
-		usleep(100000);
-	}
-
-	/* all white */
-	strcpy(buf, "4 255 255 255");
-	lseek(fd_l, 0, SEEK_SET);
-	if (write(fd_l, buf, strlen(buf) + 1) < 0)
-		perror("write to led control");
-
-	usleep(400000);
-
-	/* Done. */
-	ret = 0;
-out_led:
-	close(fd_l);
-out_run:
-	/* Let EC drive lightbar again */
-	strcpy(buf, "run");
-	lseek(fd_s, 0, SEEK_SET);
-	if (write(fd_s, buf, strlen(buf) + 1) < 0)
-		perror("write to sequence control");
-out_unlock:
-	flock(fd_s, LOCK_UN);
-out_close:
-	close(fd_s);
-out:
-	return ret;
-}