diff options
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-remote.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c index 16aec8c88bc..b6dbc2b538d 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c @@ -8,6 +8,58 @@ #include "dvb-usb-common.h" #include <linux/usb/input.h> +static int dvb_usb_getkeycode(struct input_dev *dev, + int scancode, int *keycode) +{ + struct dvb_usb_device *d = input_get_drvdata(dev); + + struct dvb_usb_rc_key *keymap = d->props.rc_key_map; + int i; + + /* See if we can match the raw key code. */ + for (i = 0; i < d->props.rc_key_map_size; i++) + if (keymap[i].scan == scancode) { + *keycode = keymap[i].event; + return 0; + } + return -EINVAL; +} + +static int dvb_usb_setkeycode(struct input_dev *dev, + int scancode, int keycode) +{ + struct dvb_usb_device *d = input_get_drvdata(dev); + + struct dvb_usb_rc_key *keymap = d->props.rc_key_map; + int i; + + /* Search if it is replacing an existing keycode */ + for (i = 0; i < d->props.rc_key_map_size; i++) + if (keymap[i].scan == scancode) { + keymap[i].event = keycode; + return 0; + } + + /* Search if is there a clean entry. If so, use it */ + for (i = 0; i < d->props.rc_key_map_size; i++) + if (keymap[i].event == KEY_RESERVED || + keymap[i].event == KEY_UNKNOWN) { + keymap[i].scan = scancode; + keymap[i].event = keycode; + return 0; + } + + /* + * FIXME: Currently, it is not possible to increase the size of + * scancode table. For it to happen, one possibility + * would be to allocate a table with key_map_size + 1, + * copying data, appending the new key on it, and freeing + * the old one - or maybe just allocating some spare space + */ + + return -EINVAL; +} + /* Remote-control poll function - called every dib->rc_query_interval ms to see * whether the remote control has received anything. * @@ -111,6 +163,8 @@ int dvb_usb_remote_init(struct dvb_usb_device *d) input_dev->phys = d->rc_phys; usb_to_input_id(d->udev, &input_dev->id); input_dev->dev.parent = &d->udev->dev; + input_dev->getkeycode = dvb_usb_getkeycode; + input_dev->setkeycode = dvb_usb_setkeycode; /* set the bits for the keys */ deb_rc("key map size: %d\n", d->props.rc_key_map_size); @@ -128,6 +182,8 @@ int dvb_usb_remote_init(struct dvb_usb_device *d) input_dev->rep[REP_PERIOD] = d->props.rc_interval; input_dev->rep[REP_DELAY] = d->props.rc_interval + 150; + input_set_drvdata(input_dev, d); + err = input_register_device(input_dev); if (err) { input_free_device(input_dev); |