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fbset: respect rgba configuration lines in fb.modes

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The fbset utility would not respect "rgba" config entries in
the fb.modes file such as this (for the ARM Integrator/CP):

mode "640x480-60-clcd"
    # D: 25.175 MHz, H: 31.469 kHz, V: 59.94 Hz
    geometry 640 480 640 480 16
    timings 39722 48 16 33 10 96 2
    rgba 5/10,5/5,5/0,1/15
endmode

This is important especially for this ARGB5551 device which
is hopeless to configure otherwise. I noticed this lacking
feature after the TI "fbtest" program managed to set up the
the colormode correctly.

Signed-off-by: Linus Walleij <triad@df.lth.se>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Linus Walleij 2012-07-01 22:34:42 +02:00 committed by Denys Vlasenko
parent 5345b8db8b
commit b5c7220e7b
1 changed files with 25 additions and 1 deletions
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26
util-linux/fbset.c
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@ -271,7 +271,7 @@ static int read_mode_db(struct fb_var_screeninfo *base, const char *fn,
}
p = token[1];
i = index_in_strings(
"geometry\0timings\0interlaced\0double\0vsync\0hsync\0csync\0extsync\0",
"geometry\0timings\0interlaced\0double\0vsync\0hsync\0csync\0extsync\0rgba\0",
token[0]);
switch (i) {
case 0:
@ -342,6 +342,30 @@ static int read_mode_db(struct fb_var_screeninfo *base, const char *fn,
ss(&base->sync, FB_SYNC_EXT, p, "false");
//bb_info_msg("EXTSYNC[%s]", p);
break;
case 8: {
int red_offset, red_length;
int green_offset, green_length;
int blue_offset, blue_length;
int transp_offset, transp_length;
sscanf(p, "%d/%d,%d/%d,%d/%d,%d/%d",
&red_offset, &red_length,
&green_offset, &green_length,
&blue_offset, &blue_length,
&transp_offset, &transp_length);
base->red.offset = red_offset;
base->red.length = red_length;
base->red.msb_right = 0;
base->green.offset = green_offset;
base->green.length = green_length;
base->green.msb_right = 0;
base->blue.offset = blue_offset;
base->blue.length = blue_length;
base->blue.msb_right = 0;
base->transp.offset = transp_offset;
base->transp.length = transp_length;
base->transp.msb_right = 0;
}
}
}
return 0;