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 <[email protected]> --- 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 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
