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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/media/dvb/dvb-usb/dvb-usb-remote.c | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-remote.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-remote.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c index c0c2c22..edde87c 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c @@ -8,6 +8,71 @@ #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; + } + + /* + * If is there extra space, returns KEY_RESERVED, + * otherwise, input core won't let dvb_usb_setkeycode + * to work + */ + for (i = 0; i < d->props.rc_key_map_size; i++) + if (keymap[i].event == KEY_RESERVED || + keymap[i].event == KEY_UNKNOWN) { + *keycode = KEY_RESERVED; + 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 +176,8 @@ 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 +195,8 @@ 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); @@ -178,8 +247,8 @@ int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d, } /* See if we can match the raw key code. */ for (i = 0; i < d->props.rc_key_map_size; i++) - if (keymap[i].custom == keybuf[1] && - keymap[i].data == keybuf[3]) { + if (rc5_custom(&keymap[i]) == keybuf[1] && + rc5_data(&keymap[i]) == keybuf[3]) { *event = keymap[i].event; *state = REMOTE_KEY_PRESSED; return 0; |