DVB: TechnoTrend CT-3650 IR support

Commit Message

David Henningsson Dec. 26, 2010, 7:38 p.m. UTC

None

Patch

From 8c42121a08c5dabbd1a943cc1e5726ed99f0d957 Mon Sep 17 00:00:00 2001
From: David Henningsson <[e-mail]>
Date: Sun, 26 Dec 2010 14:23:58 +0100
Subject: [PATCH] DVB: IR support for CT-3650

Signed-off-by: David Henningsson <[e-mail]>
---
 drivers/media/dvb/dvb-usb/ttusb2.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
 mode change 100644 => 100755 debian/rules

diff --git a/debian/rules b/debian/rules
old mode 100644
new mode 100755
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c
index a6de489..ded8a4b 100644
--- a/drivers/media/dvb/dvb-usb/ttusb2.c
+++ b/drivers/media/dvb/dvb-usb/ttusb2.c
@@ -128,6 +128,27 @@  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 */
+	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 */
+		deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]);
+		rc_keydown(d->rc_dev, rx[2], 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 +366,13 @@  static struct dvb_usb_device_properties ttusb2_properties_ct3650 = {
 
 	.size_of_priv = sizeof(struct ttusb2_state),
 
+	.rc.core = {
+		.rc_interval      = 250,
+		.rc_codes         = RC_MAP_TT_1500,
+		.rc_query         = tt3650_rc_query,
+		.allowed_protos   = RC_TYPE_UNKNOWN,
+	},
+
 	.num_adapters = 1,
 	.adapter = {
 		{
-- 
1.7.1