From cf9c6973218e17e6d2fdd3366b74268e814d3473 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Mon, 20 Jul 2015 15:17:18 +0200 Subject: [PATCH] sniper: Keypad support, with recovery and fastboot key combinations Using the twl4030 keypad allows booting directly into some special boot modes, such as recovery or fastboot. the VOL+ key will trigger a boot to recovery while the VOL- key will trigger a boot to fastboot. The G (gesture) key remains unused at this point. Signed-off-by: Paul Kocialkowski Reviewed-by: Tom Rini --- board/lge/sniper/sniper.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/board/lge/sniper/sniper.c b/board/lge/sniper/sniper.c index c94a3fa427..a43f640ecf 100644 --- a/board/lge/sniper/sniper.c +++ b/board/lge/sniper/sniper.c @@ -91,18 +91,34 @@ int board_init(void) int misc_init_r(void) { + unsigned char keypad_matrix[64] = { 0 }; char serial_string[17] = { 0 }; char reboot_mode[2] = { 0 }; u32 dieid[4] = { 0 }; + unsigned char keys[3]; unsigned char data = 0; /* Power button reset init */ twl4030_power_reset_init(); + /* Keypad */ + + twl4030_keypad_scan((unsigned char *)&keypad_matrix); + + keys[0] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 0); + keys[1] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 1); + keys[2] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 2); + /* Reboot mode */ reboot_mode[0] = omap_reboot_mode(); + + if (keys[0]) + reboot_mode[0] = 'r'; + else if (keys[1]) + reboot_mode[0] = 'b'; + if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) { if (!getenv("reboot-mode")) setenv("reboot-mode", (char *)reboot_mode); -- 2.39.2