For non-i2c EDID use, drivers will want to verify the EDID header. We
already have a function for this, but internal linkage. Change this and
while at it change the type to a more appropriate type.
Signed-off-by: Ahmad Fatoum <ahmad@xxxxxx>
---
drivers/video/edid.c | 8 ++++----
drivers/video/edid.h | 10 ++++++++++
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/video/edid.c b/drivers/video/edid.c
index 41d40d0297b6..1baff7317b7c 100644
--- a/drivers/video/edid.c
+++ b/drivers/video/edid.c
@@ -223,19 +223,19 @@ static int edid_checksum(unsigned char *edid)
return err;
}
-static int edid_check_header(unsigned char *edid)
+bool edid_check_header(unsigned char *edid)
{
- int i, err = 1, fix = check_edid(edid);
+ int i, fix = check_edid(edid);
if (fix)
fix_edid(edid, fix);
for (i = 0; i < 8; i++) {
if (edid[i] != edid_v1_header[i])
- err = 0;
+ return false;
}
- return err;
+ return true;
}
/*
diff --git a/drivers/video/edid.h b/drivers/video/edid.h
index 006d9f283450..60c5b6422ea5 100644
--- a/drivers/video/edid.h
+++ b/drivers/video/edid.h
@@ -135,4 +135,14 @@
#define DPMS_SUSPEND (1 << 6)
#define DPMS_STANDBY (1 << 7)
+/**
+ * edid_check_header - sanity check the header of the base EDID block
+ * @raw_edid: pointer to raw base EDID block
+ *
+ * Sanity check the header of the base EDID block.
+ *
+ * Return: true if the header is perfect, false if any byte is wrong.
+ */
+bool edid_check_header(unsigned char *edid);
+
#endif /* __EDID_H__ */
--
2.29.2
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