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ARM: PXA: Z2: Use only power button as wake source 

It's very easy to press some keypad key when Z2 is closed,
so to prevent unexpected wakeups, use only 'Power' key to wake
Z2 from sleep.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Vasily Khoruzhick 2011-03-13 17:19:17 +02:00 committed by Marek Vasut
parent 27be9a9e37
commit 2e62344de8
1 changed files with 23 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
arch/arm/mach-pxa/z2.c
View File

@ -92,13 +92,13 @@ static unsigned long z2_pin_config[] = {
GPIO47_STUART_TXD,
/* Keypad */
GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
GPIO38_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
GPIO16_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
GPIO17_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH,
GPIO100_KP_MKIN_0,
GPIO101_KP_MKIN_1,
GPIO102_KP_MKIN_2,
GPIO34_KP_MKIN_3,
GPIO38_KP_MKIN_4,
GPIO16_KP_MKIN_5,
GPIO17_KP_MKIN_6,
GPIO103_KP_MKOUT_0,
GPIO104_KP_MKOUT_1,
GPIO105_KP_MKOUT_2,
@ -428,8 +428,22 @@ static inline void z2_mkp_init(void) {}
******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button z2_pxa_buttons[] = {
{KEY_POWER, GPIO1_ZIPITZ2_POWER_BUTTON, 0, "Power Button" },
{KEY_CLOSE, GPIO98_ZIPITZ2_LID_BUTTON, 0, "Lid Button" },
{
.code = KEY_POWER,
.gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
.active_low = 0,
.desc = "Power Button",
.wakeup = 1,
.type = EV_KEY,
},
{
.code = KEY_CLOSE,
.gpio = GPIO98_ZIPITZ2_LID_BUTTON,
.active_low = 0,
.desc = "Lid Button",
.wakeup = 0
.type = EV_KEY,
},
};
static struct gpio_keys_platform_data z2_pxa_keys_data = {