V4L/DVB: dib0700: Fix RC protocol logic to properly handle NEC/NECx and RC-5
Simplifies the logic for handling firmware 1.20 RC messages, fixing the logic. While here, I tried to use a RC-6 remote controller from my TV set, but it didn't work with dib0700. Not sure why, but maybe this never worked. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -499,7 +499,7 @@ int dib0700_change_protocol(void *priv, u64 ir_type)
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return ret;
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}
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d->props.rc.core.protocol = new_proto;
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d->props.rc.core.protocol = ir_type;
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return ret;
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}
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@ -511,7 +511,13 @@ int dib0700_change_protocol(void *priv, u64 ir_type)
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struct dib0700_rc_response {
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u8 report_id;
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u8 data_state;
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u16 system;
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union {
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u16 system16;
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struct {
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u8 system;
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u8 not_system;
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};
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};
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u8 data;
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u8 not_data;
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};
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@ -521,9 +527,8 @@ static void dib0700_rc_urb_completion(struct urb *purb)
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{
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struct dvb_usb_device *d = purb->context;
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struct dib0700_state *st;
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struct dib0700_rc_response poll_reply;
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u8 *buf;
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u32 keycode;
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struct dib0700_rc_response *poll_reply;
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u32 uninitialized_var(keycode);
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u8 toggle;
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deb_info("%s()\n", __func__);
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@ -537,7 +542,7 @@ static void dib0700_rc_urb_completion(struct urb *purb)
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}
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st = d->priv;
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buf = (u8 *)purb->transfer_buffer;
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poll_reply = purb->transfer_buffer;
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if (purb->status < 0) {
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deb_info("discontinuing polling\n");
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@ -550,52 +555,51 @@ static void dib0700_rc_urb_completion(struct urb *purb)
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goto resubmit;
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}
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deb_data("IR raw %02X %02X %02X %02X %02X %02X (len %d)\n", buf[0],
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buf[1], buf[2], buf[3], buf[4], buf[5], purb->actual_length);
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deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n",
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poll_reply->report_id, poll_reply->data_state,
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poll_reply->system, poll_reply->not_system,
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poll_reply->data, poll_reply->not_data,
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purb->actual_length);
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switch (d->props.rc.core.protocol) {
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case IR_TYPE_NEC:
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poll_reply.data_state = 0;
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poll_reply.system = buf[2];
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poll_reply.data = buf[4];
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poll_reply.not_data = buf[5];
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toggle = 0;
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/* NEC protocol sends repeat code as 0 0 0 FF */
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if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
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&& (poll_reply.not_data == 0xff)) {
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poll_reply.data_state = 2;
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if ((poll_reply->system == 0x00) && (poll_reply->data == 0x00)
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&& (poll_reply->not_data == 0xff)) {
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poll_reply->data_state = 2;
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break;
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}
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if ((poll_reply->system ^ poll_reply->not_system) != 0xff) {
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deb_data("NEC extended protocol\n");
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/* NEC extended code - 24 bits */
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keycode = poll_reply->system16 << 8 | poll_reply->data;
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} else {
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deb_data("NEC normal protocol\n");
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/* normal NEC code - 16 bits */
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keycode = poll_reply->system << 8 | poll_reply->data;
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}
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break;
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default:
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deb_data("RC5 protocol\n");
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/* RC5 Protocol */
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/* TODO: need to check the mapping for RC6 */
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poll_reply.report_id = buf[0];
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poll_reply.data_state = buf[1];
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poll_reply.system = (buf[2] << 8) | buf[3];
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poll_reply.data = buf[4];
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poll_reply.not_data = buf[5];
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toggle = poll_reply.report_id;
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toggle = poll_reply->report_id;
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keycode = poll_reply->system16 << 8 | poll_reply->data;
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break;
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}
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if ((poll_reply.data + poll_reply.not_data) != 0xff) {
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if ((poll_reply->data + poll_reply->not_data) != 0xff) {
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/* Key failed integrity check */
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err("key failed integrity check: %04x %02x %02x",
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poll_reply.system,
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poll_reply.data, poll_reply.not_data);
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poll_reply->system,
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poll_reply->data, poll_reply->not_data);
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goto resubmit;
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}
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deb_data("rid=%02x ds=%02x sm=%04x d=%02x nd=%02x\n",
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poll_reply.report_id, poll_reply.data_state,
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poll_reply.system, poll_reply.data, poll_reply.not_data);
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keycode = poll_reply.system << 8 | poll_reply.data;
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ir_keydown(d->rc_input_dev, keycode, toggle);
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resubmit:
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