If it cannot be converted to readable string, a failure is added which includes the raw value. In libdisplay-info we do not keep around the raw value which makes it hard to replicate the edid-decode output. v2: Adjusted string Signed-off-by: Sebastian Wick <sebastian.wick@xxxxxxxxxx> --- parse-cta-block.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git ./parse-cta-block.cpp ../parse-cta-block.cpp index 5193b70..d68d7f6 100644 --- ./parse-cta-block.cpp +++ ../parse-cta-block.cpp @@ -1613,7 +1613,7 @@ static std::string display_use_case(unsigned char x) default: break; } fail("Unknown Display product primary use case 0x%02x.\n", x); - return std::string("Unknown display use case (") + utohex(x) + ")"; + return "Unknown"; } static void cta_microsoft(const unsigned char *x, unsigned length) @@ -1626,7 +1626,7 @@ static void cta_microsoft(const unsigned char *x, unsigned length) printf(" Desktop Usage: %u\n", (x[1] >> 6) & 1); printf(" Third-Party Usage: %u\n", (x[1] >> 5) & 1); } - printf(" Display Product Primary Use Case: %u (%s)\n", x[1] & 0x1f, + printf(" Display Product Primary Use Case: %s\n", display_use_case(x[1] & 0x1f).c_str()); printf(" Container ID: %s\n", containerid2s(x + 2).c_str()); } -- 2.45.1