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[ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC

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Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao 2009-02-06 16:49:23 +08:00
parent 36b5437f33
commit 3e36c0deea
2 changed files with 20 additions and 0 deletions
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10
arch/arm/mach-pxa/corgi.c
View File

@ -427,12 +427,22 @@ static struct pxa2xx_spi_master corgi_spi_info = {
.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 = {
.model = 7846,
.vref_delay_usecs = 100,
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.gpio_pendown = CORGI_GPIO_TP_INT,
.wait_for_sync = corgi_wait_for_hsync,
};
static void corgi_ads7846_cs(u32 command)

10
arch/arm/mach-pxa/spitz.c
View File

@ -299,12 +299,22 @@ static struct pxa2xx_spi_master spitz_spi_info = {
.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 = {
.model = 7846,
.vref_delay_usecs = 100,
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.gpio_pendown = SPITZ_GPIO_TP_INT,
.wait_for_sync = spitz_wait_for_hsync,
};
static void spitz_ads7846_cs(u32 command)