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info: use byte descriptors in di_info_get_product_name()

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These contain more user-friendly names.

Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2022-06-10 19:28:01 +02:00
parent 4346c405b8
commit b4544c5012
1 changed files with 27 additions and 7 deletions
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34
info.c
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@ -43,22 +43,42 @@ di_info_get_edid(const struct di_info *info)
char *
di_info_get_product_name(const struct di_info *info)
{
char name[64], serial[32];
char name[256], product_code[32], serial_code[32];
const char *product, *serial;
const struct di_edid_vendor_product *edid_vendor_product;
const struct di_edid_display_descriptor *const *display_descs;
size_t i;
edid_vendor_product = di_edid_get_vendor_product(info->edid);
snprintf(product_code, sizeof(product_code), "0x%X" PRIu16,
edid_vendor_product->product);
if (edid_vendor_product->serial != 0) {
snprintf(serial, sizeof(serial), " 0x%X" PRIu32,
snprintf(serial_code, sizeof(serial), " 0x%X" PRIu32,
edid_vendor_product->serial);
} else {
serial[0] = '\0';
serial_code[0] = '\0';
}
/* TODO: use strings from Detailed Timing Descriptors, if any */
snprintf(name, sizeof(name), "%.3s 0x%X" PRIu16 "%s",
edid_vendor_product->manufacturer,
edid_vendor_product->product, serial);
product = product_code;
serial = serial_code;
display_descs = di_edid_get_display_descriptors(info->edid);
for (i = 0; display_descs[i] != NULL; i++) {
const struct di_edid_display_descriptor *desc = display_descs[i];
switch (di_edid_display_descriptor_get_tag(desc)) {
case DI_EDID_DISPLAY_DESCRIPTOR_PRODUCT_SERIAL:
serial = di_edid_display_descriptor_get_string(desc);
break;
case DI_EDID_DISPLAY_DESCRIPTOR_PRODUCT_NAME:
product = di_edid_display_descriptor_get_string(desc);
break;
default:
break; /* Ignore */
}
}
snprintf(name, sizeof(name), "%.3s %s%s",
edid_vendor_product->manufacturer, product, serial);
return strdup(name);
}