diff options
| -rw-r--r-- | arch/arm/mach-tegra/board-ventana.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-ventana.c b/arch/arm/mach-tegra/board-ventana.c index 4240f2804fb1..7e586302867b 100644 --- a/arch/arm/mach-tegra/board-ventana.c +++ b/arch/arm/mach-tegra/board-ventana.c @@ -52,6 +52,7 @@ #include "board-ventana.h" #include "devices.h" #include "gpio-names.h" +#include "wakeups-t2.h" static struct plat_serial8250_port debug_uart_platform_data[] = { { @@ -228,9 +229,20 @@ static struct gpio_keys_button ventana_keys[] = { [6] = GPIO_KEY(KEY_MENU, PC7, 0), }; +#define PMC_WAKE_STATUS 0x14 + +static int ventana_wakeup_key(void) +{ + unsigned long status = + readl(IO_ADDRESS(TEGRA_PMC_BASE) + PMC_WAKE_STATUS); + + return status & TEGRA_WAKE_GPIO_PV2 ? KEY_POWER : KEY_RESERVED; +} + static struct gpio_keys_platform_data ventana_keys_platform_data = { .buttons = ventana_keys, .nbuttons = ARRAY_SIZE(ventana_keys), + .wakeup_key = ventana_wakeup_key, }; static struct platform_device ventana_keys_device = { |