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path: root/drivers/media/rc
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Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/lirc_dev.c4
-rw-r--r--drivers/media/rc/nuvoton-cir.c5
-rw-r--r--drivers/media/rc/rc-main.c26
-rw-r--r--drivers/media/rc/serial_ir.c123
4 files changed, 82 insertions, 76 deletions
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 393dccaabdd0..1688893a65bb 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -436,6 +436,8 @@ int lirc_dev_fop_open(struct inode *inode, struct file *file)
return -ERESTARTSYS;
ir = irctls[iminor(inode)];
+ mutex_unlock(&lirc_dev_lock);
+
if (!ir) {
retval = -ENODEV;
goto error;
@@ -476,8 +478,6 @@ int lirc_dev_fop_open(struct inode *inode, struct file *file)
}
error:
- mutex_unlock(&lirc_dev_lock);
-
nonseekable_open(inode, file);
return retval;
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index b109f8246b96..ec4b25bd2ec2 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -176,12 +176,13 @@ static void nvt_write_wakeup_codes(struct rc_dev *dev,
{
u8 tolerance, config;
struct nvt_dev *nvt = dev->priv;
+ unsigned long flags;
int i;
/* hardcode the tolerance to 10% */
tolerance = DIV_ROUND_UP(count, 10);
- spin_lock(&nvt->lock);
+ spin_lock_irqsave(&nvt->lock, flags);
nvt_clear_cir_wake_fifo(nvt);
nvt_cir_wake_reg_write(nvt, count, CIR_WAKE_FIFO_CMP_DEEP);
@@ -203,7 +204,7 @@ static void nvt_write_wakeup_codes(struct rc_dev *dev,
nvt_cir_wake_reg_write(nvt, config, CIR_WAKE_IRCON);
- spin_unlock(&nvt->lock);
+ spin_unlock_irqrestore(&nvt->lock, flags);
}
static ssize_t wakeup_data_show(struct device *dev,
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 2424946740e6..d84533699668 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1663,6 +1663,7 @@ static int rc_setup_rx_device(struct rc_dev *dev)
{
int rc;
struct rc_map *rc_map;
+ u64 rc_type;
if (!dev->map_name)
return -EINVAL;
@@ -1677,15 +1678,18 @@ static int rc_setup_rx_device(struct rc_dev *dev)
if (rc)
return rc;
- if (dev->change_protocol) {
- u64 rc_type = (1ll << rc_map->rc_type);
+ rc_type = BIT_ULL(rc_map->rc_type);
+ if (dev->change_protocol) {
rc = dev->change_protocol(dev, &rc_type);
if (rc < 0)
goto out_table;
dev->enabled_protocols = rc_type;
}
+ if (dev->driver_type == RC_DRIVER_IR_RAW)
+ ir_raw_load_modules(&rc_type);
+
set_bit(EV_KEY, dev->input_dev->evbit);
set_bit(EV_REP, dev->input_dev->evbit);
set_bit(EV_MSC, dev->input_dev->evbit);
@@ -1777,12 +1781,6 @@ int rc_register_device(struct rc_dev *dev)
dev->input_name ?: "Unspecified device", path ?: "N/A");
kfree(path);
- if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
- rc = rc_setup_rx_device(dev);
- if (rc)
- goto out_dev;
- }
-
if (dev->driver_type == RC_DRIVER_IR_RAW ||
dev->driver_type == RC_DRIVER_IR_RAW_TX) {
if (!raw_init) {
@@ -1791,7 +1789,13 @@ int rc_register_device(struct rc_dev *dev)
}
rc = ir_raw_event_register(dev);
if (rc < 0)
- goto out_rx;
+ goto out_dev;
+ }
+
+ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
+ rc = rc_setup_rx_device(dev);
+ if (rc)
+ goto out_raw;
}
/* Allow the RC sysfs nodes to be accessible */
@@ -1803,8 +1807,8 @@ int rc_register_device(struct rc_dev *dev)
return 0;
-out_rx:
- rc_free_rx_device(dev);
+out_raw:
+ ir_raw_event_unregister(dev);
out_dev:
device_del(&dev->dev);
out_unlock:
diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c
index 923fb2299553..41b54e40176c 100644
--- a/drivers/media/rc/serial_ir.c
+++ b/drivers/media/rc/serial_ir.c
@@ -487,10 +487,69 @@ static void serial_ir_timeout(unsigned long arg)
ir_raw_event_handle(serial_ir.rcdev);
}
+/* Needed by serial_ir_probe() */
+static int serial_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
+ unsigned int count);
+static int serial_ir_tx_duty_cycle(struct rc_dev *dev, u32 cycle);
+static int serial_ir_tx_carrier(struct rc_dev *dev, u32 carrier);
+static int serial_ir_open(struct rc_dev *rcdev);
+static void serial_ir_close(struct rc_dev *rcdev);
+
static int serial_ir_probe(struct platform_device *dev)
{
+ struct rc_dev *rcdev;
int i, nlow, nhigh, result;
+ rcdev = devm_rc_allocate_device(&dev->dev, RC_DRIVER_IR_RAW);
+ if (!rcdev)
+ return -ENOMEM;
+
+ if (hardware[type].send_pulse && hardware[type].send_space)
+ rcdev->tx_ir = serial_ir_tx;
+ if (hardware[type].set_send_carrier)
+ rcdev->s_tx_carrier = serial_ir_tx_carrier;
+ if (hardware[type].set_duty_cycle)
+ rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
+
+ switch (type) {
+ case IR_HOMEBREW:
+ rcdev->input_name = "Serial IR type home-brew";
+ break;
+ case IR_IRDEO:
+ rcdev->input_name = "Serial IR type IRdeo";
+ break;
+ case IR_IRDEO_REMOTE:
+ rcdev->input_name = "Serial IR type IRdeo remote";
+ break;
+ case IR_ANIMAX:
+ rcdev->input_name = "Serial IR type AnimaX";
+ break;
+ case IR_IGOR:
+ rcdev->input_name = "Serial IR type IgorPlug";
+ break;
+ }
+
+ rcdev->input_phys = KBUILD_MODNAME "/input0";
+ rcdev->input_id.bustype = BUS_HOST;
+ rcdev->input_id.vendor = 0x0001;
+ rcdev->input_id.product = 0x0001;
+ rcdev->input_id.version = 0x0100;
+ rcdev->open = serial_ir_open;
+ rcdev->close = serial_ir_close;
+ rcdev->dev.parent = &serial_ir.pdev->dev;
+ rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
+ rcdev->driver_name = KBUILD_MODNAME;
+ rcdev->map_name = RC_MAP_RC6_MCE;
+ rcdev->min_timeout = 1;
+ rcdev->timeout = IR_DEFAULT_TIMEOUT;
+ rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
+ rcdev->rx_resolution = 250000;
+
+ serial_ir.rcdev = rcdev;
+
+ setup_timer(&serial_ir.timeout_timer, serial_ir_timeout,
+ (unsigned long)&serial_ir);
+
result = devm_request_irq(&dev->dev, irq, serial_ir_irq_handler,
share_irq ? IRQF_SHARED : 0,
KBUILD_MODNAME, &hardware);
@@ -516,9 +575,6 @@ static int serial_ir_probe(struct platform_device *dev)
return -EBUSY;
}
- setup_timer(&serial_ir.timeout_timer, serial_ir_timeout,
- (unsigned long)&serial_ir);
-
result = hardware_init_port();
if (result < 0)
return result;
@@ -552,7 +608,8 @@ static int serial_ir_probe(struct platform_device *dev)
sense ? "low" : "high");
dev_dbg(&dev->dev, "Interrupt %d, port %04x obtained\n", irq, io);
- return 0;
+
+ return devm_rc_register_device(&dev->dev, rcdev);
}
static int serial_ir_open(struct rc_dev *rcdev)
@@ -723,7 +780,6 @@ static void serial_ir_exit(void)
static int __init serial_ir_init_module(void)
{
- struct rc_dev *rcdev;
int result;
switch (type) {
@@ -754,63 +810,9 @@ static int __init serial_ir_init_module(void)
sense = !!sense;
result = serial_ir_init();
- if (result)
- return result;
-
- rcdev = devm_rc_allocate_device(&serial_ir.pdev->dev, RC_DRIVER_IR_RAW);
- if (!rcdev) {
- result = -ENOMEM;
- goto serial_cleanup;
- }
-
- if (hardware[type].send_pulse && hardware[type].send_space)
- rcdev->tx_ir = serial_ir_tx;
- if (hardware[type].set_send_carrier)
- rcdev->s_tx_carrier = serial_ir_tx_carrier;
- if (hardware[type].set_duty_cycle)
- rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
-
- switch (type) {
- case IR_HOMEBREW:
- rcdev->input_name = "Serial IR type home-brew";
- break;
- case IR_IRDEO:
- rcdev->input_name = "Serial IR type IRdeo";
- break;
- case IR_IRDEO_REMOTE:
- rcdev->input_name = "Serial IR type IRdeo remote";
- break;
- case IR_ANIMAX:
- rcdev->input_name = "Serial IR type AnimaX";
- break;
- case IR_IGOR:
- rcdev->input_name = "Serial IR type IgorPlug";
- break;
- }
-
- rcdev->input_phys = KBUILD_MODNAME "/input0";
- rcdev->input_id.bustype = BUS_HOST;
- rcdev->input_id.vendor = 0x0001;
- rcdev->input_id.product = 0x0001;
- rcdev->input_id.version = 0x0100;
- rcdev->open = serial_ir_open;
- rcdev->close = serial_ir_close;
- rcdev->dev.parent = &serial_ir.pdev->dev;
- rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
- rcdev->driver_name = KBUILD_MODNAME;
- rcdev->map_name = RC_MAP_RC6_MCE;
- rcdev->min_timeout = 1;
- rcdev->timeout = IR_DEFAULT_TIMEOUT;
- rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
- rcdev->rx_resolution = 250000;
-
- serial_ir.rcdev = rcdev;
-
- result = rc_register_device(rcdev);
-
if (!result)
return 0;
-serial_cleanup:
+
serial_ir_exit();
return result;
}
@@ -818,7 +820,6 @@ serial_cleanup:
static void __exit serial_ir_exit_module(void)
{
del_timer_sync(&serial_ir.timeout_timer);
- rc_unregister_device(serial_ir.rcdev);
serial_ir_exit();
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 16:17:59 +0000