]> err.no Git - linux-2.6/blobdiff - drivers/input/touchscreen/ads7846.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6] / drivers / input / touchscreen / ads7846.c
index fd9c5d51870a095511e8d81728081802ad09e5ed..39573b91c8de4be826ff4b2a44a3c5f6f71c36c4 100644 (file)
 #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
@@ -116,6 +109,7 @@ struct ads7846 {
 // FIXME remove "irq_disabled"
        unsigned                irq_disabled:1; /* P: lock */
        unsigned                disabled:1;
+       unsigned                is_suspended:1;
 
        int                     (*filter)(void *data, int data_idx, int *val);
        void                    *filter_data;
@@ -203,7 +197,7 @@ static void ads7846_disable(struct ads7846 *ts);
 static int device_suspended(struct device *dev)
 {
        struct ads7846 *ts = dev_get_drvdata(dev);
-       return dev->power.power_state.event != PM_EVENT_ON || ts->disabled;
+       return ts->is_suspended || ts->disabled;
 }
 
 static int ads7846_read12_ser(struct device *dev, unsigned command)
@@ -212,7 +206,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
        struct ads7846          *ts = dev_get_drvdata(dev);
        struct ser_req          *req = kzalloc(sizeof *req, GFP_KERNEL);
        int                     status;
-       int                     sample;
+       int                     uninitialized_var(sample);
        int                     use_internal;
 
        if (!req)
@@ -794,7 +788,7 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
 
        spin_lock_irq(&ts->lock);
 
-       spi->dev.power.power_state = message;
+       ts->is_suspended = 1;
        ads7846_disable(ts);
 
        spin_unlock_irq(&ts->lock);
@@ -809,7 +803,7 @@ static int ads7846_resume(struct spi_device *spi)
 
        spin_lock_irq(&ts->lock);
 
-       spi->dev.power.power_state = PMSG_ON;
+       ts->is_suspended = 0;
        ads7846_enable(ts);
 
        spin_unlock_irq(&ts->lock);
@@ -871,7 +865,6 @@ static int __devinit ads7846_probe(struct spi_device *spi)
        }
 
        dev_set_drvdata(&spi->dev, ts);
-       spi->dev.power.power_state = PMSG_ON;
 
        ts->spi = spi;
        ts->input = input_dev;
@@ -1174,31 +1167,6 @@ 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 +1174,6 @@ 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);