diff options
| -rw-r--r-- | drivers/media/IR/ir-sysfs.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 821345dbe7c..aede78ddbac 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -47,8 +47,50 @@ static ssize_t show_protocol(struct device *d, return sprintf(buf, "%s\n", s); } + +static ssize_t store_protocol(struct device *d, + struct device_attribute *mattr, + const char *data, + size_t len) +{ + struct ir_input_dev *ir_dev = dev_get_drvdata(d); + enum ir_type ir_type = IR_TYPE_UNKNOWN; + int rc = -EINVAL; + char *buf; + + buf = strsep((char **) &data, "\n"); + + if (!strcasecmp(buf, "rc-5")) + ir_type = IR_TYPE_RC5; + else if (!strcasecmp(buf, "pd")) + ir_type = IR_TYPE_PD; + else if (!strcasecmp(buf, "nec")) + ir_type = IR_TYPE_NEC; + + if (ir_type == IR_TYPE_UNKNOWN) { + IR_dprintk(1, "Error setting protocol to %ld\n", ir_type); + return -EINVAL; + } + + if (ir_dev->props->change_protocol) + rc = ir_dev->props->change_protocol(ir_dev->props->priv, + ir_type); + + if (rc < 0) { + IR_dprintk(1, "Error setting protocol to %ld\n", ir_type); + return -EINVAL; + } + + ir_dev->rc_tab.ir_type = ir_type; + + IR_dprintk(1, "Current protocol is %ld\n", ir_type); + + return len; +} + + static DEVICE_ATTR(current_protocol, S_IRUGO | S_IWUSR, - show_protocol, NULL); + show_protocol, store_protocol); static struct attribute *ir_dev_attrs[] = { &dev_attr_current_protocol.attr, |