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-rw-r--r--drivers/hwmon/lis3lv02d.c33
-rw-r--r--drivers/hwmon/lis3lv02d.h2
2 files changed, 13 insertions, 22 deletions
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 159e402ddec3..d9c97e8c53ad 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 c5c063de2f48..e54a1672ae64 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 */