Messages in this thread Patch in this message | | | Date | Sat, 24 Nov 2012 00:25:30 -0800 | From | Dmitry Torokhov <> | Subject | [PATCH] ARM: eukrea_mbimx27-baseboard - use stock get_pendown_state() in ads7846 |
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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> ---
Not tested - no hardware, but should be fine.
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..b20fc55 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 = (GPIO_PORTD | 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 */ -- 1.7.11.7
-- Dmitry
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