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kc1: Power off when the power on reason is not a valid one

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Some power on reasons are not desirable (e.g. too short press on the power
button), battery plug. Thus, power off the device when one of those occurs.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
This commit is contained in:
Paul Kocialkowski 2016-02-27 19:19:14 +01:00 • committed by Tom Rini
parent 461484c27e
commit ee85a41525
2 changed files with 22 additions and 0 deletions
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16
board/amazon/kc1/kc1.c
View file

@ -86,6 +86,7 @@ int board_init(void)
int misc_init_r(void) int misc_init_r(void)
{ {
char reboot_mode[2] = { 0 }; char reboot_mode[2] = { 0 };
u32 data = 0;
u32 value; u32 value;
/* Reboot mode */ /* Reboot mode */
@ -101,10 +102,25 @@ int misc_init_r(void)
reboot_mode[0] = 'b'; reboot_mode[0] = 'b';
if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) { if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
if (reboot_mode[0] == 'o')
twl6030_power_off();
if (!getenv("reboot-mode")) if (!getenv("reboot-mode"))
setenv("reboot-mode", (char *)reboot_mode); setenv("reboot-mode", (char *)reboot_mode);
omap_reboot_mode_clear(); omap_reboot_mode_clear();
} else {
/*
* When not rebooting, valid power on reasons are either the
* power button, charger plug or USB plug.
*/
data |= twl6030_input_power_button();
data |= twl6030_input_charger();
data |= twl6030_input_usb();
if (!data)
twl6030_power_off();
} }
/* Serial number */ /* Serial number */

6
include/configs/kc1.h
View file

@ -104,6 +104,12 @@
#define CONFIG_TWL6030_POWER #define CONFIG_TWL6030_POWER
/*
* Input
*/
#define CONFIG_TWL6030_INPUT
/* /*
* Partitions * Partitions
*/ */