Let the user set the power mode via the switch '-p <power mode>'

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index f7e069a..78b1f41 100644 (file)
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -564,6 +564,8 @@ static void usage(char *name)
        printf("\t\t\t\t\t1 - JPEG\n");
        printf("\t\t\t\t\t2 - NV12\n");
        printf("\t-q \t\t\tquality of jpeg sent to the device, between 1 and 100\n");
+       printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+       printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
        printf("\t-h \t\t\tthis help message\n");
        printf("\n\nEXAMPLES OF USE:\n");
        printf("\t%s -f x11grab -i :0.0 -o video_size=800x480\n", name);
@@ -585,11 +587,12 @@ int main(int argc, char *argv[])
        unsigned int rescale_method = SWS_BICUBIC;
        unsigned int upscale = 0;
        unsigned int quality = 95;
+       am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
        int format = AM7XXX_IMAGE_FORMAT_JPEG;
        am7xxx_context *ctx;
        am7xxx_device *dev;
 
-       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:h")) != -1) {
+       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:hp:")) != -1) {
                switch (opt) {
                case 'f':
                        input_format_string = strdup(optarg);
@@ -667,6 +670,22 @@ int main(int argc, char *argv[])
                        ret = 0;
                        goto out;
                        break;
+               case 'p':
+                       power_mode = atoi(optarg);
+                       switch(power_mode) {
+                       case AM7XXX_POWER_OFF:
+                       case AM7XXX_POWER_LOW:
+                       case AM7XXX_POWER_MIDDLE:
+                       case AM7XXX_POWER_HIGH:
+                       case AM7XXX_POWER_TURBO:
+                               fprintf(stdout, "Power mode: %x\n", power_mode);
+                               break;
+                       default:
+                               fprintf(stderr, "Invalid power mode value, must be between %x and %x\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+                               ret = -EINVAL;
+                               goto out;
+                       }
+                       break;
                default: /* '?' */
                        usage(argv[0]);
                        ret = -EINVAL;
@@ -719,7 +738,7 @@ int main(int argc, char *argv[])
                goto cleanup;
        }
 
-       ret = am7xxx_set_power_mode(dev, AM7XXX_POWER_LOW);
+       ret = am7xxx_set_power_mode(dev, power_mode);
        if (ret < 0) {
                perror("am7xxx_set_power_mode");
                goto cleanup;