Add an abbreviation for adaptive mode, and document all the abreviations.

2 files changed, 2 insertions, 1 deletions

diff --git a/usr.sbin/powerd/powerd.8 b/usr.sbin/powerd/powerd.8
index af5f299dc41d..8ca5e0c7aedd 100644
--- a/usr.sbin/powerd/powerd.8
+++ b/usr.sbin/powerd/powerd.8
@@ -47,6 +47,7 @@ utility monitors the system state and sets various power control options
 accordingly.
 It offers three modes (maximum, minimum, and adaptive) that can be
 individually selected while on AC power or batteries.
+The modes maximum, minimum, and adaptive may be abbreviated max, min, adp.
 .Pp
 Maximum mode chooses the highest performance values.
 Minimum mode selects the lowest performance values to get the most power
diff --git a/usr.sbin/powerd/powerd.c b/usr.sbin/powerd/powerd.c
index 9e6ed2894c02..8ecff2353552 100644
--- a/usr.sbin/powerd/powerd.c
+++ b/usr.sbin/powerd/powerd.c
@@ -339,7 +339,7 @@ parse_mode(char *arg, int *mode, int ch)
 		*mode = MODE_MIN;
 	else if (strcmp(arg, "maximum") == 0 || strcmp(arg, "max") == 0)
 		*mode = MODE_MAX;
-	else if (strcmp(arg, "adaptive") == 0)
+	else if (strcmp(arg, "adaptive") == 0 || strcmp(arg, "adp") == 0)
 		*mode = MODE_ADAPTIVE;
 	else
 		errx(1, "bad option: -%c %s", (char)ch, optarg);