[ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC (3e36c0de) · Commits · e / devices / android_kernel_samsung_smdk4412

arch/arm/mach-pxa/corgi.c

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -427,12 +427,22 @@ static struct pxa2xx_spi_master corgi_spi_info = {
	.num_chipselect = 3,		.num_chipselect = 3,
	};		};

			static void corgi_wait_for_hsync(void)
			{
			while (gpio_get_value(CORGI_GPIO_HSYNC))
			cpu_relax();

			while (!gpio_get_value(CORGI_GPIO_HSYNC))
			cpu_relax();
			}

	static struct ads7846_platform_data corgi_ads7846_info = {		static struct ads7846_platform_data corgi_ads7846_info = {
	.model = 7846,		.model = 7846,
	.vref_delay_usecs = 100,		.vref_delay_usecs = 100,
	.x_plate_ohms = 419,		.x_plate_ohms = 419,
	.y_plate_ohms = 486,		.y_plate_ohms = 486,
	.gpio_pendown = CORGI_GPIO_TP_INT,		.gpio_pendown = CORGI_GPIO_TP_INT,
			.wait_for_sync = corgi_wait_for_hsync,
	};		};

	static void corgi_ads7846_cs(u32 command)		static void corgi_ads7846_cs(u32 command)

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -299,12 +299,22 @@ static struct pxa2xx_spi_master spitz_spi_info = {
	.num_chipselect = 3,		.num_chipselect = 3,
	};		};

			static void spitz_wait_for_hsync(void)
			{
			while (gpio_get_value(SPITZ_GPIO_HSYNC))
			cpu_relax();

			while (!gpio_get_value(SPITZ_GPIO_HSYNC))
			cpu_relax();
			}

	static struct ads7846_platform_data spitz_ads7846_info = {		static struct ads7846_platform_data spitz_ads7846_info = {
	.model = 7846,		.model = 7846,
	.vref_delay_usecs = 100,		.vref_delay_usecs = 100,
	.x_plate_ohms = 419,		.x_plate_ohms = 419,
	.y_plate_ohms = 486,		.y_plate_ohms = 486,
	.gpio_pendown = SPITZ_GPIO_TP_INT,		.gpio_pendown = SPITZ_GPIO_TP_INT,
			.wait_for_sync = spitz_wait_for_hsync,
	};		};

	static void spitz_ads7846_cs(u32 command)		static void spitz_ads7846_cs(u32 command)