diff options
| author | David Henningsson <david.henningsson@canonical.com> | 2010-12-26 10:23:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-31 13:46:21 -0200 |
| commit | 9d1da730ee17e712c25c0b1e51653048f92d2385 (patch) | |
| tree | 24fbd22e4543eb6544fd23d6df40df0c92988db8 | |
| parent | ebce9a3331f4dd1f39856dc4b79f539eb25f7f64 (diff) | |
[media] DVB: IR support for TechnoTrend CT-3650
Based on Waling Dijkstra's discovery that the IR works the same as
on the TT-1500, this patch has been rewritten to fit with the
rc_core infrastructure.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/dvb/dvb-usb/ttusb2.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c index a6de489a6a39..0d4709ff9cbb 100644 --- a/drivers/media/dvb/dvb-usb/ttusb2.c +++ b/drivers/media/dvb/dvb-usb/ttusb2.c @@ -43,6 +43,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); struct ttusb2_state { u8 id; + u16 last_rc_key; }; static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd, @@ -128,6 +129,33 @@ static struct i2c_algorithm ttusb2_i2c_algo = { .functionality = ttusb2_i2c_func, }; +/* command to poll IR receiver (copied from pctv452e.c) */ +#define CMD_GET_IR_CODE 0x1b + +/* IR */ +static int tt3650_rc_query(struct dvb_usb_device *d) +{ + int ret; + u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */ + struct ttusb2_state *st = d->priv; + ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx)); + if (ret != 0) + return ret; + + if (rx[8] & 0x01) { + /* got a "press" event */ + st->last_rc_key = (rx[3] << 8) | rx[2]; + deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]); + rc_keydown(d->rc_dev, st->last_rc_key, 0); + } else if (st->last_rc_key) { + rc_keyup(d->rc_dev); + st->last_rc_key = 0; + } + + return 0; +} + + /* Callbacks for DVB USB */ static int ttusb2_identify_state (struct usb_device *udev, struct dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, @@ -345,6 +373,13 @@ static struct dvb_usb_device_properties ttusb2_properties_ct3650 = { .size_of_priv = sizeof(struct ttusb2_state), + .rc.core = { + .rc_interval = 150, /* Less than IR_KEYPRESS_TIMEOUT */ + .rc_codes = RC_MAP_TT_1500, + .rc_query = tt3650_rc_query, + .allowed_protos = RC_TYPE_UNKNOWN, + }, + .num_adapters = 1, .adapter = { { |