diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/lis3lv02d.c | 33 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d.h | 2 |
2 files changed, 13 insertions, 22 deletions
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 159e402ddec..d9c97e8c53a 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -343,10 +343,14 @@ static void lis3lv02d_joystick_open(struct input_polled_dev *pidev) { if (lis3_dev.pm_dev) pm_runtime_get_sync(lis3_dev.pm_dev); + + if (lis3_dev.pdata && lis3_dev.whoami == WAI_8B && lis3_dev.idev) + atomic_set(&lis3_dev.wake_thread, 1); } static void lis3lv02d_joystick_close(struct input_polled_dev *pidev) { + atomic_set(&lis3_dev.wake_thread, 0); if (lis3_dev.pm_dev) pm_runtime_put(lis3_dev.pm_dev); } @@ -366,8 +370,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy) wake_up_interruptible(&lis3_dev.misc_wait); kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN); out: - if (lis3_dev.pdata && lis3_dev.whoami == WAI_8B && lis3_dev.idev && - lis3_dev.idev->input->users) + if (atomic_read(&lis3_dev.wake_thread)) return IRQ_WAKE_THREAD; return IRQ_HANDLED; } @@ -398,31 +401,15 @@ static void lis302dl_interrupt_handle_click(struct lis3lv02d *lis3) mutex_unlock(&lis3->mutex); } -static void lis302dl_interrupt_handle_ff_wu(struct lis3lv02d *lis3) -{ - u8 wu1_src; - u8 wu2_src; - - lis3->read(lis3, FF_WU_SRC_1, &wu1_src); - lis3->read(lis3, FF_WU_SRC_2, &wu2_src); - - wu1_src = wu1_src & FF_WU_SRC_IA ? wu1_src : 0; - wu2_src = wu2_src & FF_WU_SRC_IA ? wu2_src : 0; - - /* joystick poll is internally protected by the lis3->mutex. */ - if (wu1_src || wu2_src) - lis3lv02d_joystick_poll(lis3_dev.idev); -} - static irqreturn_t lis302dl_interrupt_thread1_8b(int irq, void *data) { struct lis3lv02d *lis3 = data; - if ((lis3->pdata->irq_cfg & LIS3_IRQ1_MASK) == LIS3_IRQ1_CLICK) + if ((lis3->irq_cfg & LIS3_IRQ1_MASK) == LIS3_IRQ1_CLICK) lis302dl_interrupt_handle_click(lis3); else - lis302dl_interrupt_handle_ff_wu(lis3); + lis3lv02d_joystick_poll(lis3->idev); return IRQ_HANDLED; } @@ -432,10 +419,10 @@ static irqreturn_t lis302dl_interrupt_thread2_8b(int irq, void *data) struct lis3lv02d *lis3 = data; - if ((lis3->pdata->irq_cfg & LIS3_IRQ2_MASK) == LIS3_IRQ2_CLICK) + if ((lis3->irq_cfg & LIS3_IRQ2_MASK) == LIS3_IRQ2_CLICK) lis302dl_interrupt_handle_click(lis3); else - lis302dl_interrupt_handle_ff_wu(lis3); + lis3lv02d_joystick_poll(lis3->idev); return IRQ_HANDLED; } @@ -831,6 +818,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) } mutex_init(&dev->mutex); + atomic_set(&dev->wake_thread, 0); lis3lv02d_add_fs(dev); lis3lv02d_poweron(dev); @@ -851,6 +839,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) if (dev->whoami == WAI_8B) lis3lv02d_8b_configure(dev, p); + dev->irq_cfg = p->irq_cfg; if (p->irq_cfg) dev->write(dev, CTRL_REG3, p->irq_cfg); } diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index c5c063de2f4..e54a1672ae6 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -271,6 +271,8 @@ struct lis3lv02d { struct fasync_struct *async_queue; /* queue for the misc device */ wait_queue_head_t misc_wait; /* Wait queue for the misc device */ unsigned long misc_opened; /* bit0: whether the device is open */ + atomic_t wake_thread; + unsigned char irq_cfg; struct lis3lv02d_platform_data *pdata; /* for passing board config */ struct mutex mutex; /* Serialize poll and selftest */ |