diff options
Diffstat (limited to 'drivers/input/keyboard/omap-keypad.c')
| -rw-r--r-- | drivers/input/keyboard/omap-keypad.c | 52 |
1 files changed, 1 insertions, 51 deletions
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index e0d72c8c0..146b26f66 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", }, |