[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/tools/leds/.gitignore b/src/kernel/linux/v4.14/tools/leds/.gitignore
new file mode 100644
index 0000000..ac96d9f
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/leds/.gitignore
@@ -0,0 +1 @@
+uledmon
diff --git a/src/kernel/linux/v4.14/tools/leds/Makefile b/src/kernel/linux/v4.14/tools/leds/Makefile
new file mode 100644
index 0000000..7b6bed1
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/leds/Makefile
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for LEDs tools
+
+CFLAGS = -Wall -Wextra -g -I../../include/uapi
+
+all: uledmon led_hw_brightness_mon
+%: %.c
+ $(CC) $(CFLAGS) -o $@ $^
+
+clean:
+ $(RM) uledmon led_hw_brightness_mon
+
+.PHONY: all clean
diff --git a/src/kernel/linux/v4.14/tools/leds/led_hw_brightness_mon.c b/src/kernel/linux/v4.14/tools/leds/led_hw_brightness_mon.c
new file mode 100644
index 0000000..eb65ae9
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/leds/led_hw_brightness_mon.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * led_hw_brightness_mon.c
+ *
+ * This program monitors LED brightness level changes having its origin
+ * in hardware/firmware, i.e. outside of kernel control.
+ * A timestamp and brightness value is printed each time the brightness changes.
+ *
+ * Usage: led_hw_brightness_mon <device-name>
+ *
+ * <device-name> is the name of the LED class device to be monitored. Pressing
+ * CTRL+C will exit.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <linux/uleds.h>
+
+int main(int argc, char const *argv[])
+{
+ int fd, ret;
+ char brightness_file_path[LED_MAX_NAME_SIZE + 11];
+ struct pollfd pollfd;
+ struct timespec ts;
+ char buf[11];
+
+ if (argc != 2) {
+ fprintf(stderr, "Requires <device-name> argument\n");
+ return 1;
+ }
+
+ snprintf(brightness_file_path, LED_MAX_NAME_SIZE,
+ "/sys/class/leds/%s/brightness_hw_changed", argv[1]);
+
+ fd = open(brightness_file_path, O_RDONLY);
+ if (fd == -1) {
+ printf("Failed to open %s file\n", brightness_file_path);
+ return 1;
+ }
+
+ /*
+ * read may fail if no hw brightness change has occurred so far,
+ * but it is required to avoid spurious poll notifications in
+ * the opposite case.
+ */
+ read(fd, buf, sizeof(buf));
+
+ pollfd.fd = fd;
+ pollfd.events = POLLPRI;
+
+ while (1) {
+ ret = poll(&pollfd, 1, -1);
+ if (ret == -1) {
+ printf("Failed to poll %s file (%d)\n",
+ brightness_file_path, ret);
+ ret = 1;
+ break;
+ }
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+
+ ret = read(fd, buf, sizeof(buf));
+ if (ret < 0)
+ break;
+
+ ret = lseek(pollfd.fd, 0, SEEK_SET);
+ if (ret < 0) {
+ printf("lseek failed (%d)\n", ret);
+ break;
+ }
+
+ printf("[%ld.%09ld] %d\n", ts.tv_sec, ts.tv_nsec, atoi(buf));
+ }
+
+ close(fd);
+
+ return ret;
+}
diff --git a/src/kernel/linux/v4.14/tools/leds/uledmon.c b/src/kernel/linux/v4.14/tools/leds/uledmon.c
new file mode 100644
index 0000000..c15a39c
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/leds/uledmon.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * uledmon.c
+ *
+ * This program creates a new userspace LED class device and monitors it. A
+ * timestamp and brightness value is printed each time the brightness changes.
+ *
+ * Usage: uledmon <device-name>
+ *
+ * <device-name> is the name of the LED class device to be created. Pressing
+ * CTRL+C will exit.
+ */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <linux/uleds.h>
+
+int main(int argc, char const *argv[])
+{
+ struct uleds_user_dev uleds_dev;
+ int fd, ret;
+ int brightness;
+ struct timespec ts;
+
+ if (argc != 2) {
+ fprintf(stderr, "Requires <device-name> argument\n");
+ return 1;
+ }
+
+ strncpy(uleds_dev.name, argv[1], LED_MAX_NAME_SIZE);
+ uleds_dev.max_brightness = 100;
+
+ fd = open("/dev/uleds", O_RDWR);
+ if (fd == -1) {
+ perror("Failed to open /dev/uleds");
+ return 1;
+ }
+
+ ret = write(fd, &uleds_dev, sizeof(uleds_dev));
+ if (ret == -1) {
+ perror("Failed to write to /dev/uleds");
+ close(fd);
+ return 1;
+ }
+
+ while (1) {
+ ret = read(fd, &brightness, sizeof(brightness));
+ if (ret == -1) {
+ perror("Failed to read from /dev/uleds");
+ close(fd);
+ return 1;
+ }
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ printf("[%ld.%09ld] %u\n", ts.tv_sec, ts.tv_nsec, brightness);
+ }
+
+ close(fd);
+
+ return 0;
+}