diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2007-04-25 00:53:18 -0400 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-04-25 00:53:18 -0400 |
commit | 534565f254490227e3bec20d50f387800960acd9 (patch) | |
tree | 7e4a8ec054f21e9d709e5dd25fb8a4a0673cc1bb /drivers | |
parent | b9973954c5f3264a2afa6ec357adb542f4b76e06 (diff) |
Input: add input_set_capability() helper
Add input_set_capability() helper used to indicate that an input
device supports a certain event without need to manipulate bitmaps
directly.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/input/input.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index 173c2861ec58..915e9ab7cab0 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1046,6 +1046,62 @@ void input_free_device(struct input_dev *dev) } EXPORT_SYMBOL(input_free_device); +/** + * input_set_capability - mark device as capable of a certain event + * @dev: device that is capable of emitting or accepting event + * @type: type of the event (EV_KEY, EV_REL, etc...) + * @code: event code + * + * In addition to setting up corresponding bit in appropriate capability + * bitmap the function also adjusts dev->evbit. + */ +void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code) +{ + switch (type) { + case EV_KEY: + __set_bit(code, dev->keybit); + break; + + case EV_REL: + __set_bit(code, dev->relbit); + break; + + case EV_ABS: + __set_bit(code, dev->absbit); + break; + + case EV_MSC: + __set_bit(code, dev->mscbit); + break; + + case EV_SW: + __set_bit(code, dev->swbit); + break; + + case EV_LED: + __set_bit(code, dev->ledbit); + break; + + case EV_SND: + __set_bit(code, dev->sndbit); + break; + + case EV_FF: + __set_bit(code, dev->ffbit); + break; + + default: + printk(KERN_ERR + "input_set_capability: unknown type %u (code %u)\n", + type, code); + dump_stack(); + return; + } + + __set_bit(type, dev->evbit); +} +EXPORT_SYMBOL(input_set_capability); + int input_register_device(struct input_dev *dev) { static atomic_t input_no = ATOMIC_INIT(0); |