diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/misc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/input/misc/cobalt_btns.c | 59 |
2 files changed, 23 insertions, 37 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 696c9609d71..1d0d3e765db 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -43,6 +43,7 @@ config INPUT_M68K_BEEP config INPUT_COBALT_BTNS tristate "Cobalt button interface" depends on MIPS_COBALT + select INPUT_POLLDEV help Say Y here if you want to support MIPS Cobalt button interface. diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c index b9b2d7764e7..064b0793601 100644 --- a/drivers/input/misc/cobalt_btns.c +++ b/drivers/input/misc/cobalt_btns.c @@ -18,19 +18,17 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <linux/init.h> -#include <linux/input.h> +#include <linux/input-polldev.h> #include <linux/ioport.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/jiffies.h> -#include <linux/timer.h> #define BUTTONS_POLL_INTERVAL 30 /* msec */ #define BUTTONS_COUNT_THRESHOLD 3 #define BUTTONS_STATUS_MASK 0xfe000000 struct buttons_dev { - struct input_dev *input; + struct input_polled_dev *poll_dev; void __iomem *reg; }; @@ -50,16 +48,14 @@ static struct buttons_map buttons_map[] = { { 0x80000000, KEY_SELECT, }, }; -static struct timer_list buttons_timer; - -static void handle_buttons(unsigned long data) +static void handle_buttons(struct input_polled_dev *dev) { struct buttons_map *button = buttons_map; - struct buttons_dev *bdev; + struct buttons_dev *bdev = dev->private; + struct input_dev *input = dev->input; uint32_t status; int i; - bdev = (struct buttons_dev *)data; status = readl(bdev->reg); status = ~status & BUTTONS_STATUS_MASK; @@ -68,55 +64,45 @@ static void handle_buttons(unsigned long data) button->count++; } else { if (button->count >= BUTTONS_COUNT_THRESHOLD) { - input_report_key(bdev->input, button->keycode, 0); - input_sync(bdev->input); + input_report_key(input, button->keycode, 0); + input_sync(input); } button->count = 0; } if (button->count == BUTTONS_COUNT_THRESHOLD) { - input_report_key(bdev->input, button->keycode, 1); - input_sync(bdev->input); + input_report_key(input, button->keycode, 1); + input_sync(input); } button++; } - - mod_timer(&buttons_timer, jiffies + msecs_to_jiffies(BUTTONS_POLL_INTERVAL)); -} - -static int cobalt_buttons_open(struct input_dev *dev) -{ - mod_timer(&buttons_timer, jiffies + msecs_to_jiffies(BUTTONS_POLL_INTERVAL)); - - return 0; -} - -static void cobalt_buttons_close(struct input_dev *dev) -{ - del_timer_sync(&buttons_timer); } static int __devinit cobalt_buttons_probe(struct platform_device *pdev) { struct buttons_dev *bdev; + struct input_polled_dev *poll_dev; struct input_dev *input; struct resource *res; int error, i; bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL); - input = input_allocate_device(); - if (!bdev || !input) { + poll_dev = input_allocate_polled_device(); + if (!bdev || !poll_dev) { error = -ENOMEM; goto err_free_mem; } + poll_dev->private = bdev; + poll_dev->poll = handle_buttons; + poll_dev->poll_interval = BUTTONS_POLL_INTERVAL; + + input = poll_dev->input; input->name = "Cobalt buttons"; input->phys = "cobalt/input0"; input->id.bustype = BUS_HOST; input->cdev.dev = &pdev->dev; - input->open = cobalt_buttons_open; - input->close = cobalt_buttons_close; input->evbit[0] = BIT(EV_KEY); for (i = 0; i < ARRAY_SIZE(buttons_map); i++) { @@ -130,13 +116,11 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev) goto err_free_mem; } - bdev->input = input; + bdev->poll_dev = poll_dev; bdev->reg = ioremap(res->start, res->end - res->start + 1); dev_set_drvdata(&pdev->dev, bdev); - setup_timer(&buttons_timer, handle_buttons, (unsigned long)bdev); - - error = input_register_device(input); + error = input_register_polled_device(poll_dev); if (error) goto err_iounmap; @@ -145,7 +129,7 @@ static int __devinit cobalt_buttons_probe(struct platform_device *pdev) err_iounmap: iounmap(bdev->reg); err_free_mem: - input_free_device(input); + input_free_polled_device(poll_dev); kfree(bdev); dev_set_drvdata(&pdev->dev, NULL); return error; @@ -156,7 +140,8 @@ static int __devexit cobalt_buttons_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct buttons_dev *bdev = dev_get_drvdata(dev); - input_unregister_device(bdev->input); + input_unregister_polled_device(bdev->poll_dev); + input_free_polled_device(bdev->poll_dev); iounmap(bdev->reg); kfree(bdev); dev_set_drvdata(dev, NULL); |