diff options
Diffstat (limited to 'arch/arm/mach-pxa/corgi.c')
| -rw-r--r-- | arch/arm/mach-pxa/corgi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index cdf21dd135b4..930e364ccde9 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -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) |