diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2011-03-08 20:47:59 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:45:40 -0800 |
| commit | 29116ca2323cad2d1ed9d88fba1d10097fdad263 (patch) | |
| tree | 917550a4d46c767fdb6d17946752a1cfe1966a53 /arch/arm/mach-tegra/board-cardhu-kbc.c | |
| parent | b50298a58d23fa0baff3b8b1331e77ae4c0215d9 (diff) | |
arm: tegra: cardhu: Registering interrupt based key support
Registering the interrupt based key driver to detect the keys
directly connected to PMU interrupt lines.
Original-Change-Id: Ib3380a075d6259f19884e979383cb4d5a7157005
Reviewed-on: http://git-master/r/22070
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Narendra Damahe <ndamahe@nvidia.com>
Tested-by: Narendra Damahe <ndamahe@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Original-Change-Id: Ib5f0d0d6f2ffb697a4b9ce4e683b91535529c032
Rebase-Id: Re7860f6d00e3f7a0be2e924a372f5c21a11d3696
Diffstat (limited to 'arch/arm/mach-tegra/board-cardhu-kbc.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu-kbc.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu-kbc.c b/arch/arm/mach-tegra/board-cardhu-kbc.c index 7a1e9534225a..76865b91c457 100644 --- a/arch/arm/mach-tegra/board-cardhu-kbc.c +++ b/arch/arm/mach-tegra/board-cardhu-kbc.c @@ -25,6 +25,8 @@ #include <linux/device.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> +#include <linux/mfd/tps6591x.h> +#include <linux/interrupt_keys.h> #include <linux/gpio_scrollwheel.h> #include <mach/irqs.h> @@ -186,6 +188,34 @@ static struct platform_device cardhu_keys_e1291_device = { }, }; +#define INT_KEY(_id, _irq, _iswake) \ + { \ + .code = _id, \ + .irq = _irq, \ + .active_low = 1, \ + .desc = #_id, \ + .type = EV_KEY, \ + .wakeup = _iswake, \ + .debounce_interval = 10, \ + } +static struct interrupt_keys_button cardhu_int_keys_e1291[] = { + [0] = INT_KEY(KEY_MENU, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON, 0), + [1] = INT_KEY(KEY_MENU, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON_LP, 0), +}; + +static struct interrupt_keys_platform_data cardhu_int_keys_e1291_pdata = { + .int_buttons = cardhu_int_keys_e1291, + .nbuttons = ARRAY_SIZE(cardhu_int_keys_e1291), +}; + +static struct platform_device cardhu_int_keys_e1291_device = { + .name = "interrupt-keys", + .id = 0, + .dev = { + .platform_data = &cardhu_int_keys_e1291_pdata, + }, +}; + int __init cardhu_keys_init(void) { int i; @@ -204,6 +234,7 @@ int __init cardhu_keys_init(void) tegra_gpio_enable(cardhu_keys_e1291[i].gpio); platform_device_register(&cardhu_keys_e1291_device); + platform_device_register(&cardhu_int_keys_e1291_device); return 0; } |