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authorThierry MERLE <thierry.merle@free.fr>2008-09-19 00:24:51 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:37:14 -0200
commit7f9876785276ac7f8606f8bf53a3dae4c10b8adb (patch)
treefac5a2389014dc037098963321cb0a591e3fb3c0
parent986bd1e58b18c09b753f797df19251804bfe3e84 (diff)
V4L/DVB (9108): cinergyT2: add remote key repeat feature
Implement key repeat feature for the cinergyT2 remote controller. Signed-off-by: Thierry MERLE <thierry.merle@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb/dvb-usb/cinergyT2-core.c52
1 files changed, 45 insertions, 7 deletions
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 = {
{