summaryrefslogtreecommitdiff
path: root/drivers/input/keyboard/omap-keypad.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/keyboard/omap-keypad.c')
-rw-r--r--drivers/input/keyboard/omap-keypad.c52
1 files changed, 1 insertions, 51 deletions
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index e0d72c8c01e4..146b26f665f6 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -64,31 +64,6 @@ static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0);
static unsigned int *row_gpios;
static unsigned int *col_gpios;
-#ifdef CONFIG_ARCH_OMAP2
-static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value)
-{
- int col;
-
- for (col = 0; col < omap_kp->cols; col++)
- gpio_set_value(col_gpios[col], value & (1 << col));
-}
-
-static u8 get_row_gpio_val(struct omap_kp *omap_kp)
-{
- int row;
- u8 value = 0;
-
- for (row = 0; row < omap_kp->rows; row++) {
- if (gpio_get_value(row_gpios[row]))
- value |= (1 << row);
- }
- return value;
-}
-#else
-#define set_col_gpio_val(x, y) do {} while (0)
-#define get_row_gpio_val(x) 0
-#endif
-
static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
{
/* disable keyboard interrupt and schedule for handling */
@@ -133,7 +108,6 @@ static void omap_kp_tasklet(unsigned long data)
unsigned int row_shift = get_count_order(omap_kp_data->cols);
unsigned char new_state[8], changed, key_down = 0;
int col, row;
- int spurious = 0;
/* check for any changes */
omap_kp_scan_keypad(omap_kp_data, new_state);
@@ -170,12 +144,9 @@ static void omap_kp_tasklet(unsigned long data)
memcpy(keypad_state, new_state, sizeof(keypad_state));
if (key_down) {
- int delay = HZ / 20;
/* some key is pressed - keep irq disabled and use timer
* to poll the keypad */
- if (spurious)
- delay = 2 * HZ;
- mod_timer(&omap_kp_data->timer, jiffies + delay);
+ mod_timer(&omap_kp_data->timer, jiffies + HZ / 20);
} else {
/* enable interrupts */
omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
@@ -216,25 +187,6 @@ static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute
static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, omap_kp_enable_show, omap_kp_enable_store);
-#ifdef CONFIG_PM
-static int omap_kp_suspend(struct platform_device *dev, pm_message_t state)
-{
- /* Nothing yet */
-
- return 0;
-}
-
-static int omap_kp_resume(struct platform_device *dev)
-{
- /* Nothing yet */
-
- return 0;
-}
-#else
-#define omap_kp_suspend NULL
-#define omap_kp_resume NULL
-#endif
-
static int omap_kp_probe(struct platform_device *pdev)
{
struct omap_kp *omap_kp;
@@ -371,8 +323,6 @@ static int omap_kp_remove(struct platform_device *pdev)
static struct platform_driver omap_kp_driver = {
.probe = omap_kp_probe,
.remove = omap_kp_remove,
- .suspend = omap_kp_suspend,
- .resume = omap_kp_resume,
.driver = {
.name = "omap-keypad",
},