fbset: store short string in the structure itself instead of the pointer
(small size saving)
This commit is contained in:
Denis Vlasenko
parent
274b8c0639
commit
39d551fd15
@ -70,94 +70,92 @@ enum {
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FBIOPUT_VSCREENINFO = 0x4601
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};
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struct fb_bitfield {
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uint32_t offset; /* beginning of bitfield */
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uint32_t length; /* length of bitfield */
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uint32_t msb_right; /* != 0 : Most significant bit is */
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/* right */
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uint32_t offset; /* beginning of bitfield */
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uint32_t length; /* length of bitfield */
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uint32_t msb_right; /* !=0: Most significant bit is right */
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};
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struct fb_var_screeninfo {
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uint32_t xres; /* visible resolution */
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uint32_t xres; /* visible resolution */
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uint32_t yres;
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uint32_t xres_virtual; /* virtual resolution */
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uint32_t xres_virtual; /* virtual resolution */
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uint32_t yres_virtual;
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uint32_t xoffset; /* offset from virtual to visible */
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uint32_t yoffset; /* resolution */
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uint32_t xoffset; /* offset from virtual to visible */
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uint32_t yoffset; /* resolution */
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uint32_t bits_per_pixel; /* guess what */
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uint32_t grayscale; /* != 0 Graylevels instead of colors */
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uint32_t bits_per_pixel;
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uint32_t grayscale; /* !=0 Graylevels instead of colors */
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struct fb_bitfield red; /* bitfield in fb mem if true color, */
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struct fb_bitfield green; /* else only length is significant */
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struct fb_bitfield red; /* bitfield in fb mem if true color, */
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struct fb_bitfield green; /* else only length is significant */
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struct fb_bitfield blue;
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struct fb_bitfield transp; /* transparency */
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struct fb_bitfield transp; /* transparency */
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uint32_t nonstd; /* != 0 Non standard pixel format */
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uint32_t nonstd; /* !=0 Non standard pixel format */
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uint32_t activate; /* see FB_ACTIVATE_* */
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uint32_t activate; /* see FB_ACTIVATE_x */
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uint32_t height; /* height of picture in mm */
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uint32_t width; /* width of picture in mm */
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uint32_t height; /* height of picture in mm */
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uint32_t width; /* width of picture in mm */
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uint32_t accel_flags; /* acceleration flags (hints) */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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uint32_t pixclock; /* pixel clock in ps (pico seconds) */
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uint32_t left_margin; /* time from sync to picture */
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uint32_t right_margin; /* time from picture to sync */
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uint32_t upper_margin; /* time from sync to picture */
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uint32_t pixclock; /* pixel clock in ps (pico seconds) */
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uint32_t left_margin; /* time from sync to picture */
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uint32_t right_margin; /* time from picture to sync */
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uint32_t upper_margin; /* time from sync to picture */
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uint32_t lower_margin;
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uint32_t hsync_len; /* length of horizontal sync */
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uint32_t vsync_len; /* length of vertical sync */
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uint32_t sync; /* see FB_SYNC_* */
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uint32_t vmode; /* see FB_VMODE_* */
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uint32_t reserved[6]; /* Reserved for future compatibility */
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uint32_t hsync_len; /* length of horizontal sync */
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uint32_t vsync_len; /* length of vertical sync */
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uint32_t sync; /* see FB_SYNC_x */
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uint32_t vmode; /* see FB_VMODE_x */
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uint32_t reserved[6]; /* Reserved for future compatibility */
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};
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static const struct cmdoptions_t {
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const char *name;
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const char name[10];
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const unsigned char param_count;
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const unsigned char code;
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} g_cmdoptions[] = {
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{
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"-fb", 1, CMD_FB}, {
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"-db", 1, CMD_DB}, {
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"-a", 0, CMD_ALL}, {
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"-i", 0, CMD_INFO}, {
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"-g", 5, CMD_GEOMETRY}, {
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"-t", 7, CMD_TIMING}, {
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"-accel", 1, CMD_ACCEL}, {
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"-hsync", 1, CMD_HSYNC}, {
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"-vsync", 1, CMD_VSYNC}, {
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"-laced", 1, CMD_LACED}, {
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"-double", 1, CMD_DOUBLE}, {
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"-n", 0, CMD_CHANGE}, {
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{ "-fb", 1, CMD_FB },
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{ "-db", 1, CMD_DB },
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{ "-a", 0, CMD_ALL },
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{ "-i", 0, CMD_INFO },
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{ "-g", 5, CMD_GEOMETRY },
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{ "-t", 7, CMD_TIMING },
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{ "-accel", 1, CMD_ACCEL },
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{ "-hsync", 1, CMD_HSYNC },
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{ "-vsync", 1, CMD_VSYNC },
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{ "-laced", 1, CMD_LACED },
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{ "-double", 1, CMD_DOUBLE },
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{ "-n", 0, CMD_CHANGE },
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#ifdef CONFIG_FEATURE_FBSET_FANCY
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"-all", 0, CMD_ALL}, {
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"-xres", 1, CMD_XRES}, {
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"-yres", 1, CMD_YRES}, {
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"-vxres", 1, CMD_VXRES}, {
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"-vyres", 1, CMD_VYRES}, {
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"-depth", 1, CMD_DEPTH}, {
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"-match", 0, CMD_MATCH}, {
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"-geometry", 5, CMD_GEOMETRY}, {
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"-pixclock", 1, CMD_PIXCLOCK}, {
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"-left", 1, CMD_LEFT}, {
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"-right", 1, CMD_RIGHT}, {
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"-upper", 1, CMD_UPPER}, {
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"-lower", 1, CMD_LOWER}, {
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"-hslen", 1, CMD_HSLEN}, {
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"-vslen", 1, CMD_VSLEN}, {
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"-timings", 7, CMD_TIMING}, {
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"-csync", 1, CMD_CSYNC}, {
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"-gsync", 1, CMD_GSYNC}, {
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"-extsync", 1, CMD_EXTSYNC}, {
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"-bcast", 1, CMD_BCAST}, {
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"-rgba", 1, CMD_RGBA}, {
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"-step", 1, CMD_STEP}, {
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"-move", 1, CMD_MOVE}, {
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{ "-all", 0, CMD_ALL },
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{ "-xres", 1, CMD_XRES },
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{ "-yres", 1, CMD_YRES },
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{ "-vxres", 1, CMD_VXRES },
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{ "-vyres", 1, CMD_VYRES },
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{ "-depth", 1, CMD_DEPTH },
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{ "-match", 0, CMD_MATCH },
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{ "-geometry", 5, CMD_GEOMETRY },
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{ "-pixclock", 1, CMD_PIXCLOCK },
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{ "-left", 1, CMD_LEFT },
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{ "-right", 1, CMD_RIGHT },
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{ "-upper", 1, CMD_UPPER },
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{ "-lower", 1, CMD_LOWER },
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{ "-hslen", 1, CMD_HSLEN },
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{ "-vslen", 1, CMD_VSLEN },
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{ "-timings", 7, CMD_TIMING },
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{ "-csync", 1, CMD_CSYNC },
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{ "-gsync", 1, CMD_GSYNC },
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{ "-extsync", 1, CMD_EXTSYNC },
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{ "-bcast", 1, CMD_BCAST },
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{ "-rgba", 1, CMD_RGBA },
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{ "-step", 1, CMD_STEP },
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{ "-move", 1, CMD_MOVE },
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#endif
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0, 0, 0}
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{ "", 0, 0 }
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};
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#ifdef CONFIG_FEATURE_FBSET_READMODE
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@ -171,6 +169,7 @@ enum {
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FB_SYNC_COMP_HIGH_ACT = 8 /* composite sync high active */
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};
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#endif
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static int readmode(struct fb_var_screeninfo *base, const char *fn,
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const char *mode)
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{
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@ -182,89 +181,82 @@ static int readmode(struct fb_var_screeninfo *base, const char *fn,
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f = xfopen(fn, "r");
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while (!feof(f)) {
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fgets(buf, sizeof(buf), f);
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if ((p = strstr(buf, "mode ")) || (p = strstr(buf, "mode\t"))) {
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p += 5;
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if ((p = strstr(buf, mode))) {
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p += strlen(mode);
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if (!isspace(*p) && (*p != 0) && (*p != '"')
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&& (*p != '\r') && (*p != '\n'))
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continue; /* almost, but not quite */
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while (!feof(f)) {
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fgets(buf, sizeof(buf), f);
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if (!(p = strstr(buf, "mode ")) && !(p = strstr(buf, "mode\t")))
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continue;
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p += 5;
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if (!(p = strstr(buf, mode)))
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continue;
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p += strlen(mode);
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if (!isspace(*p) && (*p != 0) && (*p != '"')
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&& (*p != '\r') && (*p != '\n'))
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continue; /* almost, but not quite */
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if ((p = strstr(buf, "geometry "))) {
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p += 9;
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sscanf(p, "%d %d %d %d %d",
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&(base->xres), &(base->yres),
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&(base->xres_virtual), &(base->yres_virtual),
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&(base->bits_per_pixel));
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} else if ((p = strstr(buf, "timings "))) {
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p += 8;
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sscanf(p, "%d %d %d %d %d %d %d",
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&(base->pixclock),
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&(base->left_margin), &(base->right_margin),
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&(base->upper_margin), &(base->lower_margin),
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&(base->hsync_len), &(base->vsync_len));
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} else if ((p = strstr(buf, "laced "))) {
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p += 6;
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if (strstr(buf, "false")) {
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base->vmode &= ~FB_VMODE_INTERLACED;
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} else {
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base->vmode |= FB_VMODE_INTERLACED;
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}
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} else if ((p = strstr(buf, "double "))) {
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p += 7;
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if (strstr(buf, "false")) {
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base->vmode &= ~FB_VMODE_DOUBLE;
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} else {
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base->vmode |= FB_VMODE_DOUBLE;
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}
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} else if ((p = strstr(buf, "vsync "))) {
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p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_VERT_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_VERT_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "hsync "))) {
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p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_HOR_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_HOR_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "csync "))) {
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p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_COMP_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_COMP_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "extsync "))) {
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p += 8;
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if (strstr(buf, "false")) {
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base->sync &= ~FB_SYNC_EXT;
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} else {
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base->sync |= FB_SYNC_EXT;
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}
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}
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if (strstr(buf, "endmode"))
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return 1;
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while (!feof(f)) {
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fgets(buf, sizeof(buf), f);
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if ((p = strstr(buf, "geometry "))) {
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p += 9;
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/* FIXME: catastrophic on arches with 64bit ints */
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sscanf(p, "%d %d %d %d %d",
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&(base->xres), &(base->yres),
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&(base->xres_virtual), &(base->yres_virtual),
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&(base->bits_per_pixel));
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} else if ((p = strstr(buf, "timings "))) {
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p += 8;
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sscanf(p, "%d %d %d %d %d %d %d",
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&(base->pixclock),
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&(base->left_margin), &(base->right_margin),
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&(base->upper_margin), &(base->lower_margin),
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&(base->hsync_len), &(base->vsync_len));
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} else if ((p = strstr(buf, "laced "))) {
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//p += 6;
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if (strstr(buf, "false")) {
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base->vmode &= ~FB_VMODE_INTERLACED;
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} else {
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base->vmode |= FB_VMODE_INTERLACED;
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}
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} else if ((p = strstr(buf, "double "))) {
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//p += 7;
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if (strstr(buf, "false")) {
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base->vmode &= ~FB_VMODE_DOUBLE;
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} else {
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base->vmode |= FB_VMODE_DOUBLE;
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}
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} else if ((p = strstr(buf, "vsync "))) {
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//p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_VERT_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_VERT_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "hsync "))) {
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//p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_HOR_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_HOR_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "csync "))) {
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//p += 6;
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if (strstr(buf, "low")) {
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base->sync &= ~FB_SYNC_COMP_HIGH_ACT;
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} else {
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base->sync |= FB_SYNC_COMP_HIGH_ACT;
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}
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} else if ((p = strstr(buf, "extsync "))) {
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//p += 8;
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if (strstr(buf, "false")) {
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base->sync &= ~FB_SYNC_EXT;
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} else {
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base->sync |= FB_SYNC_EXT;
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}
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}
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if (strstr(buf, "endmode"))
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return 1;
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}
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}
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#else
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bb_error_msg( "mode reading not compiled in");
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bb_error_msg("mode reading not compiled in");
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#endif
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return 0;
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}
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@ -290,28 +282,28 @@ static inline void showmode(struct fb_var_screeninfo *v)
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if (v->pixclock) {
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drate = 1e12 / v->pixclock;
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hrate =
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drate / (v->left_margin + v->xres + v->right_margin +
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v->hsync_len);
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vrate =
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hrate / (v->upper_margin + v->yres + v->lower_margin +
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v->vsync_len);
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hrate = drate / (v->left_margin + v->xres + v->right_margin + v->hsync_len);
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vrate = hrate / (v->upper_margin + v->yres + v->lower_margin + v->vsync_len);
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}
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printf("\nmode \"%ux%u-%u\"\n"
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#ifdef CONFIG_FEATURE_FBSET_FANCY
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"\t# D: %.3f MHz, H: %.3f kHz, V: %.3f Hz\n"
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#endif
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"\tgeometry %u %u %u %u %u\n\ttimings %u %u %u %u %u %u %u\n\taccel %s\n\trgba %u/%u,%u/%u,%u/%u,%u/%u\nendmode\n\n",
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v->xres, v->yres, (int) (vrate + 0.5),
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"\tgeometry %u %u %u %u %u\n"
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"\ttimings %u %u %u %u %u %u %u\n"
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"\taccel %s\n"
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"\trgba %u/%u,%u/%u,%u/%u,%u/%u\n"
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"endmode\n\n",
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v->xres, v->yres, (int) (vrate + 0.5),
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#ifdef CONFIG_FEATURE_FBSET_FANCY
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drate / 1e6, hrate / 1e3, vrate,
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drate / 1e6, hrate / 1e3, vrate,
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#endif
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v->xres, v->yres, v->xres_virtual, v->yres_virtual,
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v->bits_per_pixel, v->pixclock, v->left_margin,
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v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
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v->vsync_len, (v->accel_flags > 0 ? "true" : "false"), v->red.length,
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v->red.offset, v->green.length, v->green.offset, v->blue.length,
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v->blue.offset, v->transp.length, v->transp.offset);
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v->xres, v->yres, v->xres_virtual, v->yres_virtual, v->bits_per_pixel,
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v->pixclock, v->left_margin, v->right_margin, v->upper_margin, v->lower_margin,
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v->hsync_len, v->vsync_len,
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(v->accel_flags > 0 ? "true" : "false"),
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v->red.length, v->red.offset, v->green.length, v->green.offset,
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v->blue.length, v->blue.offset, v->transp.length, v->transp.offset);
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}
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#ifdef STANDALONE
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@ -332,73 +324,71 @@ int fbset_main(int argc, char **argv)
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argv++;
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argc--;
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for (; argc > 0 && (thisarg = *argv); argc--, argv++) {
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for (i = 0; g_cmdoptions[i].name; i++) {
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if (!strcmp(thisarg, g_cmdoptions[i].name)) {
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if (argc - 1 < g_cmdoptions[i].param_count)
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bb_show_usage();
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switch (g_cmdoptions[i].code) {
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case CMD_FB:
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fbdev = argv[1];
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break;
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case CMD_DB:
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modefile = argv[1];
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break;
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case CMD_GEOMETRY:
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varset.xres = strtoul(argv[1], 0, 0);
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varset.yres = strtoul(argv[2], 0, 0);
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varset.xres_virtual = strtoul(argv[3], 0, 0);
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varset.yres_virtual = strtoul(argv[4], 0, 0);
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varset.bits_per_pixel = strtoul(argv[5], 0, 0);
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break;
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case CMD_TIMING:
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varset.pixclock = strtoul(argv[1], 0, 0);
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varset.left_margin = strtoul(argv[2], 0, 0);
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varset.right_margin = strtoul(argv[3], 0, 0);
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varset.upper_margin = strtoul(argv[4], 0, 0);
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varset.lower_margin = strtoul(argv[5], 0, 0);
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varset.hsync_len = strtoul(argv[6], 0, 0);
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varset.vsync_len = strtoul(argv[7], 0, 0);
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break;
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case CMD_ALL:
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g_options |= OPT_ALL;
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break;
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case CMD_CHANGE:
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g_options |= OPT_CHANGE;
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break;
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#ifdef CONFIG_FEATURE_FBSET_FANCY
|
||||
case CMD_XRES:
|
||||
varset.xres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
case CMD_YRES:
|
||||
varset.yres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
case CMD_DEPTH:
|
||||
varset.bits_per_pixel = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
argc -= g_cmdoptions[i].param_count;
|
||||
argv += g_cmdoptions[i].param_count;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!g_cmdoptions[i].name) {
|
||||
if (argc == 1) {
|
||||
mode = *argv;
|
||||
g_options |= OPT_READMODE;
|
||||
} else {
|
||||
for (i = 0; g_cmdoptions[i].name[0]; i++) {
|
||||
if (strcmp(thisarg, g_cmdoptions[i].name))
|
||||
continue;
|
||||
if (argc-1 < g_cmdoptions[i].param_count)
|
||||
bb_show_usage();
|
||||
|
||||
switch (g_cmdoptions[i].code) {
|
||||
case CMD_FB:
|
||||
fbdev = argv[1];
|
||||
break;
|
||||
case CMD_DB:
|
||||
modefile = argv[1];
|
||||
break;
|
||||
case CMD_GEOMETRY:
|
||||
varset.xres = strtoul(argv[1], 0, 0);
|
||||
varset.yres = strtoul(argv[2], 0, 0);
|
||||
varset.xres_virtual = strtoul(argv[3], 0, 0);
|
||||
varset.yres_virtual = strtoul(argv[4], 0, 0);
|
||||
varset.bits_per_pixel = strtoul(argv[5], 0, 0);
|
||||
break;
|
||||
case CMD_TIMING:
|
||||
varset.pixclock = strtoul(argv[1], 0, 0);
|
||||
varset.left_margin = strtoul(argv[2], 0, 0);
|
||||
varset.right_margin = strtoul(argv[3], 0, 0);
|
||||
varset.upper_margin = strtoul(argv[4], 0, 0);
|
||||
varset.lower_margin = strtoul(argv[5], 0, 0);
|
||||
varset.hsync_len = strtoul(argv[6], 0, 0);
|
||||
varset.vsync_len = strtoul(argv[7], 0, 0);
|
||||
break;
|
||||
case CMD_ALL:
|
||||
g_options |= OPT_ALL;
|
||||
break;
|
||||
case CMD_CHANGE:
|
||||
g_options |= OPT_CHANGE;
|
||||
break;
|
||||
#ifdef CONFIG_FEATURE_FBSET_FANCY
|
||||
case CMD_XRES:
|
||||
varset.xres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
case CMD_YRES:
|
||||
varset.yres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
case CMD_DEPTH:
|
||||
varset.bits_per_pixel = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
argc -= g_cmdoptions[i].param_count;
|
||||
argv += g_cmdoptions[i].param_count;
|
||||
break;
|
||||
}
|
||||
if (!g_cmdoptions[i].name[0]) {
|
||||
if (argc != 1)
|
||||
bb_show_usage();
|
||||
mode = *argv;
|
||||
g_options |= OPT_READMODE;
|
||||
}
|
||||
}
|
||||
|
||||
fh = xopen(fbdev, O_RDONLY);
|
||||
if (ioctl(fh, FBIOGET_VSCREENINFO, &var))
|
||||
bb_perror_msg_and_die("fbset(ioctl)");
|
||||
bb_perror_msg_and_die("ioctl(%sT_VSCREENINFO)", "GE");
|
||||
if (g_options & OPT_READMODE) {
|
||||
if (!readmode(&var, modefile, mode)) {
|
||||
bb_error_msg("unknown video mode '%s'", mode);
|
||||
return EXIT_FAILURE;
|
||||
bb_error_msg_and_die("unknown video mode '%s'", mode);
|
||||
}
|
||||
}
|
||||
|
||||
@ -407,7 +397,7 @@ int fbset_main(int argc, char **argv)
|
||||
if (g_options & OPT_ALL)
|
||||
var.activate = FB_ACTIVATE_ALL;
|
||||
if (ioctl(fh, FBIOPUT_VSCREENINFO, &var))
|
||||
bb_perror_msg_and_die("fbset(ioctl)");
|
||||
bb_perror_msg_and_die("ioctl(%sT_VSCREENINFO)", "PU");
|
||||
}
|
||||
showmode(&var);
|
||||
/* Don't close the file, as exiting will take care of that */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user