diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_devices.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dib0700_devices.c | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 9fd8399e5d8..fe96f795792 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -445,6 +445,9 @@ static int stk7700ph_tuner_attach(struct dvb_usb_adapter *adap) static u8 rc_request[] = { REQUEST_POLL_RC, 0 }; +/* Number of keypresses to ignore before start repeating */ +#define RC_REPEAT_DELAY 2 + static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { u8 key[4]; @@ -458,18 +461,67 @@ static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state) err("RC Query Failed"); return -1; } + + /* losing half of KEY_0 events from Philipps rc5 remotes.. */ if (key[0]==0 && key[1]==0 && key[2]==0 && key[3]==0) return 0; - if (key[3-1]!=st->rc_toggle) { + + /* info("%d: %2X %2X %2X %2X",dvb_usb_dib0700_ir_proto,(int)key[3-2],(int)key[3-3],(int)key[3-1],(int)key[3]); */ + + dib0700_rc_setup(d); /* reset ir sensor data to prevent false events */ + + switch (dvb_usb_dib0700_ir_proto) { + case 0: { + /* NEC protocol sends repeat code as 0 0 0 FF */ + if ((key[3-2] == 0x00) && (key[3-3] == 0x00) && + (key[3] == 0xFF)) { + st->rc_counter++; + if (st->rc_counter > RC_REPEAT_DELAY) { + *event = d->last_event; + *state = REMOTE_KEY_PRESSED; + st->rc_counter = RC_REPEAT_DELAY; + } + return 0; + } for (i=0;i<d->props.rc_key_map_size; i++) { if (keymap[i].custom == key[3-2] && keymap[i].data == key[3-3]) { + st->rc_counter = 0; + *event = keymap[i].event; + *state = REMOTE_KEY_PRESSED; + d->last_event = keymap[i].event; + return 0; + } + } + break; + } + default: { + /* RC-5 protocol changes toggle bit on new keypress */ + for (i = 0; i < d->props.rc_key_map_size; i++) { + if (keymap[i].custom == key[3-2] && keymap[i].data == key[3-3]) { + if (d->last_event == keymap[i].event && + key[3-1] == st->rc_toggle) { + st->rc_counter++; + /* prevents unwanted double hits */ + if (st->rc_counter > RC_REPEAT_DELAY) { + *event = d->last_event; + *state = REMOTE_KEY_PRESSED; + st->rc_counter = RC_REPEAT_DELAY; + } + + return 0; + } + st->rc_counter = 0; *event = keymap[i].event; *state = REMOTE_KEY_PRESSED; - st->rc_toggle=key[3-1]; + st->rc_toggle = key[3-1]; + d->last_event = keymap[i].event; return 0; } } - err("Unknown remote controller key : %2X %2X",(int)key[3-2],(int)key[3-3]); + break; + } } + err("Unknown remote controller key: %2X %2X %2X %2X", (int) key[3-2], (int) key[3-3], (int) key[3-1], (int) key[3]); + d->last_event = 0; return 0; } |