Hi Charu,
Agree to your comments.
Will fix them.

> -----Original Message-----
> From: Varadarajan, Charulatha
> Sent: Friday, August 20, 2010 12:13 PM
> To: Datta, Shubhrajyoti; [email protected]
> Cc: [email protected]
> Subject: RE: [RFC PATCH] Board support for the the GPIO keys
> 
> 
> 
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of Datta,
> > Shubhrajyoti
> > Sent: Thursday, August 19, 2010 5:12 PM
> > To: [email protected]
> > Cc: [email protected]; Datta, Shubhrajyoti
> > Subject: [RFC PATCH] Board support for the the GPIO keys
> >
> > Board support for the GPIO keys.
> > The proximity sensor is connected to GPIO and is registered as a
> > GPIO key.
> >
> > Signed-off-by: Shubhrajyoti D <[email protected]>
> > ---
> >  arch/arm/mach-omap2/board-4430sdp.c |   56
> > +++++++++++++++++++++++++++++++++++
> >  1 files changed, 56 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-omap2/board-4430sdp.c
> > b/arch/arm/mach-omap2/board-4430sdp.c
> > index 9447644..7f619bf 100644
> > --- a/arch/arm/mach-omap2/board-4430sdp.c
> > +++ b/arch/arm/mach-omap2/board-4430sdp.c
> > @@ -20,6 +20,7 @@
> >  #include <linux/usb/otg.h>
> >  #include <linux/spi/spi.h>
> >  #include <linux/i2c/twl.h>
> > +#include <linux/gpio_keys.h>
> >  #include <linux/regulator/machine.h>
> >  #include <linux/leds.h>
> >
> > @@ -40,6 +41,10 @@
> >  #define ETH_KS8851_IRQ                     34
> >  #define ETH_KS8851_POWER_ON                48
> >  #define ETH_KS8851_QUART           138
> > +#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO   184
> > +#define OMAP4_SFH7741_ENABLE_GPIO          188
> 
> Insert a new line.
> 
> > +static int omap_prox_activate(struct device *dev);
> > +static void omap_prox_deactivate(struct device *dev);
> >
> >  static struct gpio_led sdp4430_gpio_leds[] = {
> >     {
> > @@ -76,11 +81,33 @@ static struct gpio_led sdp4430_gpio_leds[] = {
> >     },
> >
> >  };
> > +static struct gpio_keys_button sdp4430_gpio_keys[] = {
> > +   {
> > +           .desc                   = "Proximity Sensor",
> > +           .type                   = EV_SW,
> > +           .code                   = SW_FRONT_PROXIMITY,
> > +           .gpio                   =
> > OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
> > +           .active_low             = 0,
> > +   }
> > +};
> >
> >  static struct gpio_led_platform_data sdp4430_led_data = {
> >     .leds   = sdp4430_gpio_leds,
> >     .num_leds       = ARRAY_SIZE(sdp4430_gpio_leds),
> >  };
> 
> Insert a new line.
> 
> > +static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
> > +   .buttons        = sdp4430_gpio_keys,
> > +   .nbuttons       = ARRAY_SIZE(sdp4430_gpio_keys),
> > +   .enable         = omap_prox_activate,
> > +   .disable        = omap_prox_deactivate,
> > +};
> 
> Insert a new line.
> 
> > +static struct platform_device sdp4430_gpio_keys_device = {
> > +   .name   = "gpio-keys",
> > +   .id     = -1,
> > +   .dev    = {
> > +           .platform_data  = &sdp4430_gpio_keys_data,
> > +   },
> > +};
> >
> >  static struct platform_device sdp4430_leds_gpio = {
> >     .name   = "leds-gpio",
> > @@ -161,6 +188,7 @@ static struct platform_device
> > sdp4430_lcd_device = {
> >
> >  static struct platform_device *sdp4430_devices[] __initdata = {
> >     &sdp4430_lcd_device,
> > +   &sdp4430_gpio_keys_device,
> >     &sdp4430_leds_gpio,
> >  };
> >
> > @@ -426,6 +454,33 @@ static int __init omap4_i2c_init(void)
> >     omap_register_i2c_bus(4, 400, NULL, 0);
> >     return 0;
> >  }
> 
> Insert a new line.
> 
> > +static int  omap_prox_activate(struct device *dev)
> > +{
> > +   gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
> > +   return 0;
> > +}
> 
> Insert a new line.
> 
> > +static void omap_prox_deactivate(struct device *dev)
> > +{
> > +   gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
> > +}
> 
> Insert a new line.
> 
> > +static void omap_sfh7741prox_init(void)
> > +{
> > +   int  error;
> > +
> > +   error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
> > +   if (error < 0) {
> > +           pr_err("failed to request GPIO %d, error %d\n",
> > +                   OMAP4_SFH7741_ENABLE_GPIO, error);
> > +           return;
> > +   }
> > +
> > +   error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 1);
> > +   if (error < 0) {
> > +           pr_err("%s: GPIO configuration failed: GPIO
> > %d,error %d\n",\
> > +                    __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
> > +           gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
> > +   }
> > +}
> 
> Insert a new line.
> 
> >  static void __init omap_4430sdp_init(void)
> >  {
> >     int status;
> > @@ -448,6 +503,7 @@ static void __init omap_4430sdp_init(void)
> >             spi_register_board_info(sdp4430_spi_board_info,
> >                             ARRAY_SIZE(sdp4430_spi_board_info));
> >     }
> > +   omap_sfh7741prox_init();
> >  }
> >
> >  static void __init omap_4430sdp_map_io(void)
> > --
> > 1.7.0.4
> >
> > --
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> >
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