Merge current mainline tree into linux-omap tree

[linux-2.6-omap-h63xx.git] / drivers / input / touchscreen / ads7846.c

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 57a1c28bf1226e0a37a904154bc3e540c4463db7..0ee9ce36cad797ca7aefe85cdedaec15b8c76230 100644 (file)
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -28,13 +28,6 @@
 #include <linux/spi/ads7846.h>
 #include <asm/irq.h>
 
-#ifdef CONFIG_ARM
-#include <asm/mach-types.h>
-#ifdef CONFIG_ARCH_OMAP
-#include <asm/arch/gpio.h>
-#endif
-#endif
-
 
 /*
  * This code has been heavily tested on a Nokia 770, and lightly
@@ -838,6 +831,15 @@ static int __devinit ads7846_probe(struct spi_device *spi)
                return -ENODEV;
        }
 
+       /* enable voltage */
+       if (pdata->vaux_control != NULL) {
+               err = pdata->vaux_control(VAUX_ENABLE);
+               if (err != 0) {
+                       dev_dbg(&spi->dev, "TS vaux enable failed\n");
+                       return err;
+               }
+       }
+
        /* don't exceed max specified sample rate */
        if (spi->max_speed_hz > (125000 * SAMPLE_BITS)) {
                dev_dbg(&spi->dev, "f(sample) %d KHz?\n",
@@ -1174,31 +1176,6 @@ static struct spi_driver ads7846_driver = {
 
 static int __init ads7846_init(void)
 {
-       /* grr, board-specific init should stay out of drivers!! */
-
-#ifdef CONFIG_ARCH_OMAP
-       if (machine_is_omap_osk()) {
-               /* GPIO4 = PENIRQ; GPIO6 = BUSY */
-               omap_request_gpio(4);
-               omap_set_gpio_direction(4, 1);
-               omap_request_gpio(6);
-               omap_set_gpio_direction(6, 1);
-       }
-       // also TI 1510 Innovator, bitbanging through FPGA
-       // also Nokia 770
-       // also Palm Tungsten T2
-#endif
-
-       // PXA:
-       // also Dell Axim X50
-       // also HP iPaq H191x/H192x/H415x/H435x
-       // also Intel Lubbock (additional to UCB1400; as temperature sensor)
-       // also Sharp Zaurus C7xx, C8xx (corgi/sheperd/husky)
-
-       // Atmel at91sam9261-EK uses ads7843
-
-       // also various AMD Au1x00 devel boards
-
        return spi_register_driver(&ads7846_driver);
 }
 module_init(ads7846_init);
@@ -1206,14 +1183,6 @@ module_init(ads7846_init);
 static void __exit ads7846_exit(void)
 {
        spi_unregister_driver(&ads7846_driver);
-
-#ifdef CONFIG_ARCH_OMAP
-       if (machine_is_omap_osk()) {
-               omap_free_gpio(4);
-               omap_free_gpio(6);
-       }
-#endif
-
 }
 module_exit(ads7846_exit);