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.TH "FB_GET_HFREQ" "" "06 October 2005" "" ""

.SH NAME
fb_get_hfreq \- estimate hsync
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
u32 fb_get_hfreq  (u32 \fIvfreq\fB, u32 \fIyres\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIvfreq\fB\fR
vertical refresh rate
.TP
\fB\fIyres\fB\fR
vertical resolution
.SH "DESCRIPTION"
.PP
.PP
(yres + front_port) * vfreq * 1000000
hfreq = -------------------------------------
(1000000 - (vfreq * FLYBACK)