From 7f9876785276ac7f8606f8bf53a3dae4c10b8adb Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Fri, 19 Sep 2008 00:24:51 -0300 Subject: V4L/DVB (9108): cinergyT2: add remote key repeat feature Implement key repeat feature for the cinergyT2 remote controller. Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/cinergyT2-core.c | 52 ++++++++++++++++++++++++++---- 1 file changed, 45 insertions(+), 7 deletions(-) (limited to 'drivers/media/dvb/dvb-usb') diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-core.c b/drivers/media/dvb/dvb-usb/cinergyT2-core.c index 25863033c48..3ac9f74e9fb 100644 --- a/drivers/media/dvb/dvb-usb/cinergyT2-core.c +++ b/drivers/media/dvb/dvb-usb/cinergyT2-core.c @@ -40,6 +40,9 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 " DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +struct cinergyt2_state { + u8 rc_counter; +}; /* We are missing a release hook with usb_device data */ struct dvb_usb_device *cinergyt2_usb_device; @@ -122,22 +125,57 @@ static struct dvb_usb_rc_key cinergyt2_rc_keys[] = { { 0x04, 0x5c, KEY_NEXT } }; +/* Number of keypresses to ignore before detect repeating */ +#define RC_REPEAT_DELAY 3 + +static int repeatable_keys[] = { + KEY_UP, + KEY_DOWN, + KEY_LEFT, + KEY_RIGHT, + KEY_VOLUMEUP, + KEY_VOLUMEDOWN, + KEY_CHANNELUP, + KEY_CHANNELDOWN +}; + static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { + struct cinergyt2_state *st = d->priv; u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; + int i; + *state = REMOTE_NO_KEY_PRESSED; dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); - if (key[4] == 0xff) + if (key[4] == 0xff) { + /* key repeat */ + st->rc_counter++; + if (st->rc_counter > RC_REPEAT_DELAY) { + for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { + if (d->last_event == repeatable_keys[i]) { + *state = REMOTE_KEY_REPEAT; + *event = d->last_event; + deb_rc("repeat key, event %x\n", + *event); + return 0; + } + } + deb_rc("repeated key (non repeatable)\n"); + } return 0; + } - /* hack to pass checksum on the custom field (is set to 0xeb) */ - key[2] = ~0x04; + /* hack to pass checksum on the custom field */ + key[2] = ~key[1]; dvb_usb_nec_rc_key_to_event(d, key, event, state); - if (key[0] != 0) - deb_info("key: %x %x %x %x %x\n", - key[0], key[1], key[2], key[3], key[4]); + if (key[0] != 0) { + if (*event != d->last_event) + st->rc_counter = 0; + deb_rc("key: %x %x %x %x %x\n", + key[0], key[1], key[2], key[3], key[4]); + } return 0; } @@ -157,7 +195,7 @@ static struct usb_device_id cinergyt2_usb_table[] = { MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); static struct dvb_usb_device_properties cinergyt2_properties = { - + .size_of_priv = sizeof(struct cinergyt2_state), .num_adapters = 1, .adapter = { { -- cgit v1.2.3