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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-14 02:16:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 15:10:23 -0300 |
| commit | 53f870228db0855f2031270ba5774dab0f33facd (patch) | |
| tree | 1bfb5fee77f174f13f98404788970cd3c3a7b772 /drivers/media/IR/ir-sysfs.c | |
| parent | e93854da880d6dc357c00625d8371b6a926fd19b (diff) | |
| download | lwn-53f870228db0855f2031270ba5774dab0f33facd.tar.gz lwn-53f870228db0855f2031270ba5774dab0f33facd.zip | |
V4L/DVB (13635): ir-core: Implement protocol table type reading
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/IR/ir-sysfs.c')
| -rw-r--r-- | drivers/media/IR/ir-sysfs.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 3c601421632b..821345dbe7c9 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -22,10 +22,36 @@ unsigned long ir_core_dev_number; static struct class *ir_input_class; -static DEVICE_ATTR(ir_protocol, S_IRUGO | S_IWUSR, NULL, NULL); + +static ssize_t show_protocol(struct device *d, + struct device_attribute *mattr, char *buf) +{ + char *s; + struct ir_input_dev *ir_dev = dev_get_drvdata(d); + enum ir_type ir_type = ir_dev->rc_tab.ir_type; + + IR_dprintk(1, "Current protocol is %ld\n", ir_type); + + /* FIXME: doesn't support multiple protocols at the same time */ + if (ir_type == IR_TYPE_UNKNOWN) + s = "Unknown"; + else if (ir_type == IR_TYPE_RC5) + s = "RC-5"; + else if (ir_type == IR_TYPE_PD) + s = "Pulse/distance"; + else if (ir_type == IR_TYPE_NEC) + s = "NEC"; + else + s = "Other"; + + return sprintf(buf, "%s\n", s); +} + +static DEVICE_ATTR(current_protocol, S_IRUGO | S_IWUSR, + show_protocol, NULL); static struct attribute *ir_dev_attrs[] = { - &dev_attr_ir_protocol.attr, + &dev_attr_current_protocol.attr, }; int ir_register_class(struct input_dev *input_dev) |