tools/intel_display_poller: Make pipe name alphabetic
Instead of raw numbers the user can now specify the pipe
as 'a',b'... or 'A','B'...
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
diff --git a/tools/intel_display_poller.c b/tools/intel_display_poller.c
index 8b66b53..99fd592 100644
--- a/tools/intel_display_poller.c
+++ b/tools/intel_display_poller.c
@@ -1010,7 +1010,17 @@
usage(argv[0]);
break;
case 'p':
- pipe = atoi(optarg);
+ if (optarg[1] != '\0')
+ usage(argv[0]);
+ pipe = optarg[0];
+ if (pipe >= 'a')
+ pipe -= 'a';
+ else if (pipe >= 'A')
+ pipe -= 'A';
+ else if (pipe >= '0')
+ pipe -= '0';
+ else
+ usage(argv[0]);
if (pipe < 0 || pipe > 2)
usage(argv[0]);
break;