diff options
Diffstat (limited to 'drivers/media/IR/ir-sysfs.c')
| -rw-r--r-- | drivers/media/IR/ir-sysfs.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 46d42467f9b..38423a8da87 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -43,6 +43,7 @@ static struct { { IR_TYPE_RC6, "rc-6" }, { IR_TYPE_JVC, "jvc" }, { IR_TYPE_SONY, "sony" }, + { IR_TYPE_RC5_SZ, "rc-5-sz" }, { IR_TYPE_LIRC, "lirc" }, }; @@ -67,6 +68,10 @@ static ssize_t show_protocols(struct device *d, char *tmp = buf; int i; + /* Device is being removed */ + if (!ir_dev) + return -EINVAL; + if (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_SCANCODE) { enabled = ir_dev->rc_tab.ir_type; allowed = ir_dev->props->allowed_protos; @@ -122,6 +127,10 @@ static ssize_t store_protocols(struct device *d, int rc, i, count = 0; unsigned long flags; + /* Device is being removed */ + if (!ir_dev) + return -EINVAL; + if (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_SCANCODE) type = ir_dev->rc_tab.ir_type; else if (ir_dev->raw) @@ -256,8 +265,6 @@ static struct device_type rc_dev_type = { */ int ir_register_class(struct input_dev *input_dev) { - int rc; - const char *path; struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); int devno = find_first_zero_bit(&ir_core_dev_number, IRRCV_NUM_DEVICES); @@ -266,17 +273,28 @@ int ir_register_class(struct input_dev *input_dev) return devno; ir_dev->dev.type = &rc_dev_type; + ir_dev->devno = devno; ir_dev->dev.class = &ir_input_class; ir_dev->dev.parent = input_dev->dev.parent; + input_dev->dev.parent = &ir_dev->dev; dev_set_name(&ir_dev->dev, "rc%d", devno); dev_set_drvdata(&ir_dev->dev, ir_dev); - rc = device_register(&ir_dev->dev); - if (rc) - return rc; + return device_register(&ir_dev->dev); +}; + +/** + * ir_register_input - registers ir input device with input subsystem + * @input_dev: the struct input_dev descriptor of the device + */ + +int ir_register_input(struct input_dev *input_dev) +{ + struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); + int rc; + const char *path; - input_dev->dev.parent = &ir_dev->dev; rc = input_register_device(input_dev); if (rc < 0) { device_del(&ir_dev->dev); @@ -292,11 +310,9 @@ int ir_register_class(struct input_dev *input_dev) path ? path : "N/A"); kfree(path); - ir_dev->devno = devno; - set_bit(devno, &ir_core_dev_number); - + set_bit(ir_dev->devno, &ir_core_dev_number); return 0; -}; +} /** * ir_unregister_class() - removes the sysfs for sysfs for @@ -309,6 +325,7 @@ void ir_unregister_class(struct input_dev *input_dev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); + input_set_drvdata(input_dev, NULL); clear_bit(ir_dev->devno, &ir_core_dev_number); input_unregister_device(input_dev); device_del(&ir_dev->dev); |