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

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>

diff --git a/board/amazon/kc1/kc1.c b/board/amazon/kc1/kc1.c
index 9367b50..54e3fa3 100644 (file)
--- a/board/amazon/kc1/kc1.c
+++ b/board/amazon/kc1/kc1.c
@@ -86,6 +86,7 @@ int board_init(void)
 int misc_init_r(void)
 {
        char reboot_mode[2] = { 0 };
+       u32 data = 0;
        u32 value;
 
        /* Reboot mode */
@@ -101,10 +102,25 @@ int misc_init_r(void)
                reboot_mode[0] = 'b';
 
        if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
+               if (reboot_mode[0] == 'o')
+                       twl6030_power_off();
+
                if (!getenv("reboot-mode"))
                        setenv("reboot-mode", (char *)reboot_mode);
 
                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 */

diff --git a/include/configs/kc1.h b/include/configs/kc1.h
index 04cb320..c2ac148 100644 (file)
--- a/include/configs/kc1.h
+++ b/include/configs/kc1.h
@@ -105,6 +105,12 @@
 #define CONFIG_TWL6030_POWER
 
 /*
+ * Input
+ */
+
+#define CONFIG_TWL6030_INPUT
+
+/*
  * Partitions
  */