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vt: introduce enum vc_intensity for intensity

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Introduce names (en enum) for 0, 1, and 2 constants. We now have
VCI_HALF_BRIGHT, VCI_NORMAL, and VCI_BOLD instead.

Apart from the cleanup,
1) the enum allows for better type checking, and
2) this saves some code. No more fiddling with bits is needed in
   assembly now. (OTOH, the structure is larger.)

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200615074910.19267-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2020-06-15 09:48:34 +02:00 • committed by Greg Kroah-Hartman
parent 28bc24fc46
commit b84ae3dc70
7 changed files with 43 additions and 28 deletions
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11
include/linux/console_struct.h
View file

@ -22,6 +22,13 @@ struct uni_screen;
#define NPAR 16
enum vc_intensity {
VCI_HALF_BRIGHT,
VCI_NORMAL,
VCI_BOLD,
VCI_MASK = 0x3,
};
/**
* struct vc_state -- state of a VC
* @x: cursor's x-position
@ -30,7 +37,7 @@ struct uni_screen;
* @G0_charset: what's G0 slot set to (like GRAF_MAP, LAT1_MAP)
* @G1_charset: what's G1 slot set to (like GRAF_MAP, LAT1_MAP)
* @charset: what character set to use (0=G0 or 1=G1)
* @intensity: 0=half-bright, 1=normal, 2=bold
* @intensity: see enum vc_intensity for values
* @reverse: reversed foreground/background colors
*
* These members are defined separately from struct vc_data as we save &
@ -46,7 +53,7 @@ struct vc_state {
unsigned int charset : 1;
/* attribute flags */
unsigned int intensity : 2;
enum vc_intensity intensity;
unsigned int italic : 1;
unsigned int underline : 1;
unsigned int blink : 1;