Re: spitz: add gpio button support (fixes regression)

From: Stanislav Brabec
Date: Thu Oct 15 2009 - 17:48:57 EST


Pavel Machek wrote:
>Well, resume is hit by second regression.
>
>Suspend key.... I restored it to the level of functionality in
>2.6.31 :-).

> > + .type = EV_KEY,
> > + .code = KEY_SUSPEND,

I guess it should be EV_PWR. Then it will at least go to suspend.

Here is a patch with just this change. Also changing .desc to
"On/Off" (the text on the case).

diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index ee8d603..c690522 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
@@ -375,6 +376,43 @@ static struct platform_device spitzkbd_device = {
};


+static struct gpio_keys_button spitz_gpio_keys[] = {
+ {
+ .type = EV_PWR,
+ .code = KEY_SUSPEND,
+ .gpio = SPITZ_GPIO_ON_KEY,
+ .desc = "On/Off",
+ .wakeup = 1,
+ },
+ /* Two buttons detecting the LID state */
+ {
+ .type = EV_SW,
+ .code = 0,
+ .gpio = SPITZ_GPIO_SWA,
+ .desc = "Lid SWA",
+ },
+ {
+ .type = EV_SW,
+ .code = 1,
+ .gpio = SPITZ_GPIO_SWB,
+ .desc = "Lid SWB",
+ },
+};
+
+static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
+ .buttons = spitz_gpio_keys,
+ .nbuttons = ARRAY_SIZE(spitz_gpio_keys),
+};
+
+static struct platform_device spitz_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &spitz_gpio_keys_platform_data,
+ },
+};
+
+
/*
* Spitz LEDs
*/
@@ -689,6 +727,7 @@ static struct platform_device sharpsl_rom_device = {
static struct platform_device *devices[] __initdata = {
&spitzscoop_device,
&spitzkbd_device,
+ &spitz_gpio_keys_device,
&spitzled_device,
&sharpsl_nand_device,
&sharpsl_rom_device,



________________________________________________________________________
Stanislav Brabec
http://www.penguin.cz/~utx

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