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SubjectRe: [PATCH v2] ARM: eukrea_mbimx27-baseboard - use stock get_pendown_state() in ads7846
On Tue, Nov 27, 2012 at 01:03:56AM -0800, Dmitry Torokhov wrote:
> The default implementation matches exactly our custom one so we can switch
> to using the default one. As a bonus the driver will take care of setting
> GPIO line for us.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Eric, Sascha, could I get a formal ack on this one please ?

> ---
>
> Adjusted to use IMX_GPIO_NR() macro.
>
> arch/arm/mach-imx/eukrea_mbimx27-baseboard.c | 19 +------------------
> 1 file changed, 1 insertion(+), 18 deletions(-)
>
> diff --git a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
> index 98aef57..f361143 100644
> --- a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
> +++ b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
> @@ -238,24 +238,8 @@ static const struct imxuart_platform_data uart_pdata __initconst = {
> .flags = IMXUART_HAVE_RTSCTS,
> };
>
> -#define ADS7846_PENDOWN (GPIO_PORTD | 25)
> -
> -static void __maybe_unused ads7846_dev_init(void)
> -{
> - if (gpio_request(ADS7846_PENDOWN, "ADS7846 pendown") < 0) {
> - printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
> - return;
> - }
> - gpio_direction_input(ADS7846_PENDOWN);
> -}
> -
> -static int ads7846_get_pendown_state(void)
> -{
> - return !gpio_get_value(ADS7846_PENDOWN);
> -}
> -
> static struct ads7846_platform_data ads7846_config __initdata = {
> - .get_pendown_state = ads7846_get_pendown_state,
> + .gpio_pendown = IMX_GPIO_NR(4, 25),
> .keep_vref_on = 1,
> };
>
> @@ -323,7 +307,6 @@ void __init eukrea_mbimx27_baseboard_init(void)
> || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
> /* ADS7846 Touchscreen controller init */
> mxc_gpio_mode(GPIO_PORTD | 25 | GPIO_GPIO | GPIO_IN);
> - ads7846_dev_init();
> #endif
>
> /* SPI_CS0 init */

--
Dmitry


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