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[media] az6007: Fix IR handling

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-01-21 12:14:13 -03:00
parent 711e1398d3
commit 9165144033
1 changed files with 13 additions and 18 deletions
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31
drivers/media/dvb/dvb-usb/az6007.c
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@ -204,13 +204,7 @@ static int az6007_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
struct az6007_device_state *st = d->priv;
struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
int i;
/*
* FIXME: remove the following return to enabled remote querying
* The driver likely needs proper locking to avoid troubles between
* this call and other concurrent calls.
*/
return 0;
unsigned code = 0;
az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
@ -219,20 +213,21 @@ static int az6007_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
return 0;
}
/*
* FIXME: need to make something useful with the keycodes and to
* convert it to the non-legacy mode. Yet, it is producing some
* debug info already, like:
* 88 04 eb 02 fd ff 00 82 63 82 (terratec IR)
* 88 04 eb 03 fc 00 00 82 63 82 (terratec IR)
* 88 80 7e 0d f2 ff 00 82 63 82 (another NEC-extended based IR)
* I suspect that the IR data is at bytes 1 to 4, and byte 5 is parity
*/
deb_rc("remote query key: %x %d\n", st->data[1], st->data[1]);
if ((st->data[1] ^ st->data[2]) == 0xff)
code = st->data[1];
else
code = st->data[1] << 8 | st->data[2];
if ((st->data[3] ^ st->data[4]) == 0xff)
code = code << 8 | st->data[3];
else
code = code << 16 | st->data[3] << 8| st->data[4];
printk("remote query key: %04x\n", code);
print_hex_dump_bytes("Remote: ", DUMP_PREFIX_NONE, st->data, 10);
for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
if (rc5_custom(&keymap[i]) == st->data[1]) {
if (rc5_custom(&keymap[i]) == code) {
*event = keymap[i].keycode;
*state = REMOTE_KEY_PRESSED;