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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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5
include/linux/console.h
View file

@ -35,6 +35,8 @@ enum con_scroll {
SM_DOWN,
};
enum vc_intensity;
/**
* struct consw - callbacks for consoles
*
@ -74,7 +76,8 @@ struct consw {
void (*con_scrolldelta)(struct vc_data *vc, int lines);
int (*con_set_origin)(struct vc_data *vc);
void (*con_save_screen)(struct vc_data *vc);
u8 (*con_build_attr)(struct vc_data *vc, u8 color, u8 intensity,
u8 (*con_build_attr)(struct vc_data *vc, u8 color,
enum vc_intensity intensity,
u8 blink, u8 underline, u8 reverse, u8 italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
u16 *(*con_screen_pos)(struct vc_data *vc, int offset);