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[media] az6007: Fix IR receive code 

The code still needs to be commented, as there's a mutex
missing at the az6007_read() call. A mutex there is needed,
in order to prevent RC (or CI) calls while other operations
are in progress.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2011-07-29 11:31:13 -03:00
parent ba02473eaa
commit 2d5161b771
1 changed files with 26 additions and 11 deletions
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37
drivers/media/dvb/dvb-usb/az6007.c
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@ -49,7 +49,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#define AZ6007_I2C_WR 0xbd
#define FX2_SCON1 0xc0
#define AZ6007_TS_THROUGH 0xc7
#define AZ6007_READ_IR 0xc5
#define AZ6007_READ_IR 0xb4
struct az6007_device_state {
struct dvb_ca_en50221 ca;
@ -172,30 +172,45 @@ static struct rc_map_table rc_map_az6007_table[] = {
/* remote control stuff (does not work with my box) */
static int az6007_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
{
return 0;
#if 0
struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
u8 key[10];
int i;
/* remove the following return to enabled remote querying */
/*
* 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;
az6007_read(d->udev, AZ6007_READ_IR, 0, 0, key, 10);
deb_rc("remote query key: %x %d\n", key[1], key[1]);
if (key[1] == 0x44) {
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}
for (i = 0; i < ARRAY_SIZE(az6007_rc_keys); i++)
if (az6007_rc_keys[i].custom == key[1]) {
/*
* 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", key[1], key[1]);
print_hex_dump_bytes("Remote: ", DUMP_PREFIX_NONE, key, 10);
for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
if (rc5_custom(&keymap[i]) == key[1]) {
*event = keymap[i].keycode;
*state = REMOTE_KEY_PRESSED;
*event = az6007_rc_keys[i].event;
break;
return 0;
}
}
return 0;
#endif
}
#if 0