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V4L/DVB (13635): ir-core: Implement protocol table type reading

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
2009-12-14 02:16:36 -03:00
parent e93854da88
commit 53f870228d
2 changed files with 31 additions and 3 deletions
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30
drivers/media/IR/ir-sysfs.c
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@@ -22,10 +22,36 @@ unsigned long ir_core_dev_number;
static struct class *ir_input_class; 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[] = { 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) int ir_register_class(struct input_dev *input_dev)

4
include/media/ir-core.h
View File

@@ -44,9 +44,10 @@ struct ir_scancode_table {
struct ir_dev_props { struct ir_dev_props {
unsigned long allowed_protos; unsigned long allowed_protos;
void *priv; void *priv;
int (*change_protocol)(void *priv, unsigned long protocol); int (*change_protocol)(void *priv, enum ir_type ir_type);
}; };
struct ir_input_dev { struct ir_input_dev {
struct input_dev *dev; /* Input device*/ struct input_dev *dev; /* Input device*/
struct ir_scancode_table rc_tab; /* scan/key table */ struct ir_scancode_table rc_tab; /* scan/key table */
@@ -55,6 +56,7 @@ struct ir_input_dev {
struct device *class_dev; /* virtual class dev */ struct device *class_dev; /* virtual class dev */
const struct ir_dev_props *props; /* Device properties */ const struct ir_dev_props *props; /* Device properties */
}; };
#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
/* Routines from ir-keytable.c */ /* Routines from ir-keytable.c */