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Patch from Jon McClintock <jonm@bluemug.com>

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>The attached patch adds the ability to parse the actual mode specifier in
>fbset. So now
>
>    fbset -n 640x480-72
>
>Will actually work. I don't know if I've reinvented the wheel though...

 -Erik
This commit is contained in:
Eric Andersen 2000-07-12 23:01:04 +00:00
parent be84cd4ef6
commit 6f96e674b9
2 changed files with 134 additions and 2 deletions
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68
fbset.c
View File

@ -158,7 +158,73 @@ static int readmode(struct fb_var_screeninfo *base, const char *fn,
continue; /* almost, but not quite */
while (!feof(f)) {
fgets(buf, sizeof(buf), f);
if (!strstr(buf, "endmode"))
if ((p = strstr(buf, "geometry "))) {
p += 9;
sscanf(p, "%d %d %d %d %d",
&(base->xres), &(base->yres),
&(base->xres_virtual), &(base->yres_virtual),
&(base->bits_per_pixel));
} else if ((p = strstr(buf, "timings "))) {
p += 8;
sscanf(p, "%d %d %d %d %d %d %d",
&(base->pixclock),
&(base->left_margin), &(base->right_margin),
&(base->upper_margin), &(base->lower_margin),
&(base->hsync_len), &(base->vsync_len));
} else if ((p = strstr(buf, "laced "))) {
p += 6;
if (strstr(buf, "false")) {
base->vmode &= ~FB_VMODE_INTERLACED;
} else {
base->vmode |= FB_VMODE_INTERLACED;
}
} else if ((p = strstr(buf, "double "))) {
p += 7;
if (strstr(buf, "false")) {
base->vmode &= ~FB_VMODE_DOUBLE;
} else {
base->vmode |= FB_VMODE_DOUBLE;
}
} else if ((p = strstr(buf, "vsync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_VERT_HIGH_ACT;
} else {
base->sync |= FB_SYNC_VERT_HIGH_ACT;
}
} else if ((p = strstr(buf, "hsync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_HOR_HIGH_ACT;
} else {
base->sync |= FB_SYNC_HOR_HIGH_ACT;
}
} else if ((p = strstr(buf, "csync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_COMP_HIGH_ACT;
} else {
base->sync |= FB_SYNC_COMP_HIGH_ACT;
}
} else if ((p = strstr(buf, "extsync "))) {
p += 8;
if (strstr(buf, "false")) {
base->sync &= ~FB_SYNC_EXT;
} else {
base->sync |= FB_SYNC_EXT;
}
}
if (strstr(buf, "endmode"))
return 1;
}
}

68
util-linux/fbset.c
View File

@ -158,7 +158,73 @@ static int readmode(struct fb_var_screeninfo *base, const char *fn,
continue; /* almost, but not quite */
while (!feof(f)) {
fgets(buf, sizeof(buf), f);
if (!strstr(buf, "endmode"))
if ((p = strstr(buf, "geometry "))) {
p += 9;
sscanf(p, "%d %d %d %d %d",
&(base->xres), &(base->yres),
&(base->xres_virtual), &(base->yres_virtual),
&(base->bits_per_pixel));
} else if ((p = strstr(buf, "timings "))) {
p += 8;
sscanf(p, "%d %d %d %d %d %d %d",
&(base->pixclock),
&(base->left_margin), &(base->right_margin),
&(base->upper_margin), &(base->lower_margin),
&(base->hsync_len), &(base->vsync_len));
} else if ((p = strstr(buf, "laced "))) {
p += 6;
if (strstr(buf, "false")) {
base->vmode &= ~FB_VMODE_INTERLACED;
} else {
base->vmode |= FB_VMODE_INTERLACED;
}
} else if ((p = strstr(buf, "double "))) {
p += 7;
if (strstr(buf, "false")) {
base->vmode &= ~FB_VMODE_DOUBLE;
} else {
base->vmode |= FB_VMODE_DOUBLE;
}
} else if ((p = strstr(buf, "vsync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_VERT_HIGH_ACT;
} else {
base->sync |= FB_SYNC_VERT_HIGH_ACT;
}
} else if ((p = strstr(buf, "hsync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_HOR_HIGH_ACT;
} else {
base->sync |= FB_SYNC_HOR_HIGH_ACT;
}
} else if ((p = strstr(buf, "csync "))) {
p += 6;
if (strstr(buf, "low")) {
base->sync &= ~FB_SYNC_COMP_HIGH_ACT;
} else {
base->sync |= FB_SYNC_COMP_HIGH_ACT;
}
} else if ((p = strstr(buf, "extsync "))) {
p += 8;
if (strstr(buf, "false")) {
base->sync &= ~FB_SYNC_EXT;
} else {
base->sync |= FB_SYNC_EXT;
}
}
if (strstr(buf, "endmode"))
return 1;
}
}