[RFC 07/14] bootsplash: Add VT keyboard hook

From: Max Staudt
Date: Wed Oct 25 2017 - 08:48:17 EST


Let's disable the splash if the user presses ESC or F1-F12 on a VT.

The F1-F12 check is to disable the splash on VT switches.

Signed-off-by: Max Staudt <mstaudt@xxxxxxx>
Reviewed-by: Oliver Neukum <oneukum@xxxxxxxx>
---
drivers/tty/vt/keyboard.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index f4166263bb3a..177b35182b7c 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -47,6 +47,8 @@

#include <asm/irq_regs.h>

+#include <linux/bootsplash.h>
+
extern void ctrl_alt_del(void);

/*
@@ -1353,6 +1355,15 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
}
#endif

+ /* Deactivate bootsplash on ESC or Alt+Fxx VT switch */
+ if (((keycode >= KEY_F1 && keycode <= KEY_F12) || keycode == KEY_ESC)
+ && bootsplash_is_enabled()) {
+ bootsplash_disable();
+
+ if (keycode == KEY_ESC)
+ return;
+ }
+
if (kbd->kbdmode == VC_MEDIUMRAW) {
/*
* This is extended medium raw mode, with keys above 127
--
2.12.3