di-edid-decode: add special case for 16:10 aspect ratio
The mathematical aspect ratio is 8:5 but people use 16:10.
Signed-off-by: Simon Ser <contact@emersion.fr>
diff --git a/di-edid-decode/edid.c b/di-edid-decode/edid.c
index cc032d2..2eb36af 100644
--- a/di-edid-decode/edid.c
+++ b/di-edid-decode/edid.c
@@ -114,6 +114,11 @@
*horiz_ratio = width / d;
*vert_ratio = height / d;
}
+
+ if (*horiz_ratio == 8 && *vert_ratio == 5) {
+ *horiz_ratio = 16;
+ *vert_ratio = 10;
+ }
}
/**
diff --git a/test/data/dell-2408wfp-dp.diff b/test/data/dell-2408wfp-dp.diff
new file mode 100644
index 0000000..90f70d4
--- /dev/null
+++ b/test/data/dell-2408wfp-dp.diff
@@ -0,0 +1,11 @@
+--- ref
++++ di
+@@ -33,7 +33,7 @@
+ DMT 0x33: 1600x1200 60.000000 Hz 4:3 75.000 kHz 162.000000 MHz
+ DMT 0x15: 1152x864 75.000000 Hz 4:3 67.500 kHz 108.000000 MHz
+ Detailed Timing Descriptors:
+- DTD 1: 1920x1200 59.950171 Hz 8:5 74.038 kHz 154.000000 MHz (519 mm x 320 mm)
++ DTD 1: 1920x1200 59.950171 Hz 16:10 74.038 kHz 154.000000 MHz (519 mm x 320 mm)
+ Hfront 48 Hsync 32 Hback 80 Hpol P
+ Vfront 3 Vsync 6 Vback 26 Vpol N
+ Display Product Serial Number: 'G283H8BI21MS'
