diff options
Diffstat (limited to 'board/freescale/common/recovery.c')
| -rw-r--r-- | board/freescale/common/recovery.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/board/freescale/common/recovery.c b/board/freescale/common/recovery.c index df3f367..5704e09 100644 --- a/board/freescale/common/recovery.c +++ b/board/freescale/common/recovery.c @@ -25,6 +25,7 @@ #include <mxc_keyb.h> #endif +extern int check_powerkey_pressed(void); extern int check_recovery_cmd_file(void); extern enum boot_device get_boot_device(void); @@ -41,31 +42,49 @@ inline int test_key(int value, struct kpp_key_info *ki) int check_key_pressing(void) { - struct kpp_key_info *key_info; + struct kpp_key_info *key_info = NULL; int state = 0, keys, i; + int ret = 0; + mxc_kpp_init(); + /* due to glitch suppression circuit, + wait sometime to let all keys scanned. */ + udelay(1000); + keys = mxc_kpp_getc(&key_info); + if (!check_powerkey_pressed()) + keys = 0; + +#ifdef CONFIG_MX6SL_EVK + /* For mx6sl-evk, hold power+vol_down when boot + will enter recovery mode */ + printf("Detecting VOL_DOWN+POWER key for recovery(%d:%d) ...\n", + keys, keys ? key_info->val : 0); + if (keys > 0) { + for (i = 0; i < keys; i++) { + if (test_key(CONFIG_VOL_DOWN_KEY, &key_info[i])) { + ret = 1; + break; + } + } + } +#else puts("Detecting HOME+POWER key for recovery ...\n"); - - /* Check for home + power */ - keys = mxc_kpp_getc(&key_info); - if (keys < 2) - return 0; - - for (i = 0; i < keys; i++) { - if (test_key(CONFIG_POWER_KEY, &key_info[i])) - state |= PRESSED_HOME; - else if (test_key(CONFIG_HOME_KEY, &key_info[i])) - state |= PRESSED_POWER; + if (keys > 1) { + for (i = 0; i < keys; i++) { + if (test_key(CONFIG_POWER_KEY, &key_info[i])) + state |= PRESSED_HOME; + else if (test_key(CONFIG_HOME_KEY, &key_info[i])) + state |= PRESSED_POWER; + } } - - free(key_info); - if ((state & RECOVERY_KEY_MASK) == RECOVERY_KEY_MASK) - return 1; - - return 0; + ret = 1; +#endif + if (key_info) + free(key_info); + return ret; } #else /* If not using mxc keypad, currently we will detect power key on board */ |