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-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-remote.c56
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);