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path: root/drivers/media/rc/ene_ir.c
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Diffstat (limited to 'drivers/media/rc/ene_ir.c')
-rw-r--r--drivers/media/rc/ene_ir.c72
1 files changed, 42 insertions, 30 deletions
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index d05ac15b5de..fc9d23f2ed3 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -329,7 +329,7 @@ static int ene_rx_get_sample_reg(struct ene_device *dev)
}
/* Sense current received carrier */
-void ene_rx_sense_carrier(struct ene_device *dev)
+static void ene_rx_sense_carrier(struct ene_device *dev)
{
DEFINE_IR_RAW_EVENT(ev);
@@ -476,7 +476,7 @@ select_timeout:
}
/* Enable the device for receive */
-static void ene_rx_enable(struct ene_device *dev)
+static void ene_rx_enable_hw(struct ene_device *dev)
{
u8 reg_value;
@@ -504,11 +504,17 @@ static void ene_rx_enable(struct ene_device *dev)
/* enter idle mode */
ir_raw_event_set_idle(dev->rdev, true);
+}
+
+/* Enable the device for receive - wrapper to track the state*/
+static void ene_rx_enable(struct ene_device *dev)
+{
+ ene_rx_enable_hw(dev);
dev->rx_enabled = true;
}
/* Disable the device receiver */
-static void ene_rx_disable(struct ene_device *dev)
+static void ene_rx_disable_hw(struct ene_device *dev)
{
/* disable inputs */
ene_rx_enable_cir_engine(dev, false);
@@ -516,8 +522,13 @@ static void ene_rx_disable(struct ene_device *dev)
/* disable hardware IRQ and firmware flag */
ene_clear_reg_mask(dev, ENE_FW1, ENE_FW1_ENABLE | ENE_FW1_IRQ);
-
ir_raw_event_set_idle(dev->rdev, true);
+}
+
+/* Disable the device receiver - wrapper to track the state */
+static void ene_rx_disable(struct ene_device *dev)
+{
+ ene_rx_disable_hw(dev);
dev->rx_enabled = false;
}
@@ -1003,7 +1014,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL);
rdev = rc_allocate_device();
if (!dev || !rdev)
- goto error1;
+ goto exit_free_dev_rdev;
/* validate resources */
error = -ENODEV;
@@ -1014,14 +1025,16 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
if (!pnp_port_valid(pnp_dev, 0) ||
pnp_port_len(pnp_dev, 0) < ENE_IO_SIZE)
- goto error;
+ goto exit_free_dev_rdev;
if (!pnp_irq_valid(pnp_dev, 0))
- goto error;
+ goto exit_free_dev_rdev;
spin_lock_init(&dev->hw_lock);
dev->hw_io = pnp_port_start(pnp_dev, 0);
+ dev->irq = pnp_irq(pnp_dev, 0);
+
pnp_set_drvdata(pnp_dev, dev);
dev->pnp_dev = pnp_dev;
@@ -1033,7 +1046,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
/* detect hardware version and features */
error = ene_hw_detect(dev);
if (error)
- goto error;
+ goto exit_free_dev_rdev;
if (!dev->hw_learning_and_tx_capable && txsim) {
dev->hw_learning_and_tx_capable = true;
@@ -1046,7 +1059,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
learning_mode_force = false;
rdev->driver_type = RC_DRIVER_IR_RAW;
- rdev->allowed_protos = RC_TYPE_ALL;
+ rc_set_allowed_protocols(rdev, RC_BIT_ALL);
rdev->priv = dev;
rdev->open = ene_open;
rdev->close = ene_close;
@@ -1075,33 +1088,30 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
device_set_wakeup_capable(&pnp_dev->dev, true);
device_set_wakeup_enable(&pnp_dev->dev, true);
+ error = rc_register_device(rdev);
+ if (error < 0)
+ goto exit_free_dev_rdev;
+
/* claim the resources */
error = -EBUSY;
if (!request_region(dev->hw_io, ENE_IO_SIZE, ENE_DRIVER_NAME)) {
- dev->hw_io = -1;
- dev->irq = -1;
- goto error;
+ goto exit_unregister_device;
}
- dev->irq = pnp_irq(pnp_dev, 0);
if (request_irq(dev->irq, ene_isr,
IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev)) {
- dev->irq = -1;
- goto error;
+ goto exit_release_hw_io;
}
- error = rc_register_device(rdev);
- if (error < 0)
- goto error;
-
pr_notice("driver has been successfully loaded\n");
return 0;
-error:
- if (dev && dev->irq >= 0)
- free_irq(dev->irq, dev);
- if (dev && dev->hw_io >= 0)
- release_region(dev->hw_io, ENE_IO_SIZE);
-error1:
+
+exit_release_hw_io:
+ release_region(dev->hw_io, ENE_IO_SIZE);
+exit_unregister_device:
+ rc_unregister_device(rdev);
+ rdev = NULL;
+exit_free_dev_rdev:
rc_free_device(rdev);
kfree(dev);
return error;
@@ -1125,9 +1135,8 @@ static void ene_remove(struct pnp_dev *pnp_dev)
}
/* enable wake on IR (wakes on specific button on original remote) */
-static void ene_enable_wake(struct ene_device *dev, int enable)
+static void ene_enable_wake(struct ene_device *dev, bool enable)
{
- enable = enable && device_may_wakeup(&dev->pnp_dev->dev);
dbg("wake on IR %s", enable ? "enabled" : "disabled");
ene_set_clear_reg_mask(dev, ENE_FW1, ENE_FW1_WAKE, enable);
}
@@ -1136,9 +1145,12 @@ static void ene_enable_wake(struct ene_device *dev, int enable)
static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state)
{
struct ene_device *dev = pnp_get_drvdata(pnp_dev);
- ene_enable_wake(dev, true);
+ bool wake = device_may_wakeup(&dev->pnp_dev->dev);
+
+ if (!wake && dev->rx_enabled)
+ ene_rx_disable_hw(dev);
- /* TODO: add support for wake pattern */
+ ene_enable_wake(dev, wake);
return 0;
}
@@ -1175,7 +1187,7 @@ static struct pnp_driver ene_driver = {
.flags = PNP_DRIVER_RES_DO_NOT_CHANGE,
.probe = ene_probe,
- .remove = __devexit_p(ene_remove),
+ .remove = ene_remove,
#ifdef CONFIG_PM
.suspend = ene_suspend,
.resume = ene_resume,