diff options
Diffstat (limited to 'lib/parameter.c')
| -rw-r--r-- | lib/parameter.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/parameter.c b/lib/parameter.c index fdbb2e71d1..22695634e5 100644 --- a/lib/parameter.c +++ b/lib/parameter.c @@ -588,6 +588,28 @@ struct param_d *dev_add_param_enum(struct device_d *dev, const char *name, return &pe->param; } +static const char *const tristate_names[] = { + [PARAM_TRISTATE_UNKNOWN] = "unknown", + [PARAM_TRISTATE_TRUE] = "1", + [PARAM_TRISTATE_FALSE] = "0", +}; + +struct param_d *dev_add_param_tristate(struct device_d *dev, const char *name, + int (*set)(struct param_d *p, void *priv), + int (*get)(struct param_d *p, void *priv), + int *value, void *priv) +{ + return dev_add_param_enum(dev, name, set, get, value, tristate_names, + ARRAY_SIZE(tristate_names), priv); +} + +struct param_d *dev_add_param_tristate_ro(struct device_d *dev, const char *name, + int *value) +{ + return dev_add_param_enum_ro(dev, name, value, tristate_names, + ARRAY_SIZE(tristate_names)); +} + struct param_bitmask { struct param_d param; unsigned long *value; |