diff mbox series

[02/10] edid-decode: correct horizontal range in Monitor Ranges

Message ID 20191123164604.268-3-joevt@shaw.ca (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

joevt Nov. 23, 2019, 4:45 p.m. UTC
Broken since commit 1508f040.
The max and min horizontal frequency in the "Monitor ranges" descriptor is to be offset by 255 when bit 3 and bit 2 are set, respectively.

Signed-off-by: Joe van Tunen <joevt@shaw.ca>
---
 edid-decode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/edid-decode.c b/edid-decode.c
index 4ba0808..b2e57a3 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -863,9 +863,9 @@  static int detailed_block(const unsigned char *x, int in_extension)
 						v_min_offset = 255;
 					}
 				}
-				if (x[4] & 0x04) {
+				if (x[4] & 0x08) {
 					h_max_offset = 255;
-					if (x[4] & 0x03) {
+					if (x[4] & 0x04) {
 						h_min_offset = 255;
 					}
 				}