From 861784e76607eafbfb13c6ce1e3b87204b3978da Mon Sep 17 00:00:00 2001
From: Patrick Boettcher <devnull@localhost>
Date: Sat, 2 Apr 2005 14:42:56 +0000
Subject: re-enabled and improved commonly used remote control code for dvb-usb

---
 linux/drivers/media/dvb/dvb-usb/vp7045.c | 56 +++++++++++++++++++++++++++-----
 1 file changed, 48 insertions(+), 8 deletions(-)

(limited to 'linux/drivers/media/dvb/dvb-usb/vp7045.c')

diff --git a/linux/drivers/media/dvb/dvb-usb/vp7045.c b/linux/drivers/media/dvb/dvb-usb/vp7045.c
index 10945591b..d3d0b267d 100644
--- a/linux/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/linux/drivers/media/dvb/dvb-usb/vp7045.c
@@ -16,7 +16,7 @@
 /* debug */
 int dvb_usb_vp7045_debug;
 module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB_DEBUG_STATUS);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
 
 int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
 {
@@ -85,16 +85,56 @@ u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
 static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
 {
 	u8 v = onoff;
-	deb_info("power control: %s\n",onoff ? "on" : "off");
-
 	return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
 }
 
-static int vp7045_rc_query(struct dvb_usb_device *d, u8 *key_buf, int *state)
+/* remote control stuff */
+
+/* The keymapping struct. Somehow this should be loaded to the driver, but
+ * currently it is hardcoded. */
+struct {
+	u8 raw;
+	u32 key;
+} vp7045_rc_key_mapping[] = {
+
+	/* insert the keys like this. to make the raw keys visible, enable
+	 * debug=0x04 when loading dvb-usb-vp7045. */
+
+	/* these keys are probably wrong. I don't have a working IR-receiver on my
+	 * vp7045, so I can't test it.  Patches are welcome. */
+	{ 0x01, KEY_1 },
+	{ 0x02, KEY_2 },
+};
+
+static int vp7045_rc_init(struct dvb_usb_device *d)
 {
-	deb_info("remote query\n");
-	*state = REMOTE_KEY_NO;
-	return 0; //vp7045_usb_op(d,RC_VAL_READ,NULL,0,&v,1,20);
+	int i;
+	for (i = 0; i < sizeof(vp7045_rc_key_mapping)/sizeof(vp7045_rc_key_mapping[0]); i++)
+		set_bit(vp7045_rc_key_mapping[i].key, d->rc_input_dev.keybit);
+
+	return 0;
+}
+
+static int vp7045_rc_query(struct dvb_usb_device *d, u32 *key_buf, int *state)
+{
+	u8 key;
+	int i;
+	vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
+
+	deb_rc("remote query key: %x %d\n",key,key);
+
+	if (key == 0x44) {
+		*state = REMOTE_NO_KEY_PRESSED;
+		return 0;
+	}
+
+	for (i = 0; i < sizeof(vp7045_rc_key_mapping)/sizeof(vp7045_rc_key_mapping); i++)
+		if (vp7045_rc_key_mapping[i].raw == key) {
+			*state = REMOTE_KEY_PRESSED;
+			*key_buf = vp7045_rc_key_mapping[i].key;
+			break;
+		}
+	return 0;
 }
 
 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
@@ -169,7 +209,7 @@ static struct dvb_usb_properties vp7045_properties = {
 	.read_mac_address = vp7045_read_mac_addr,
 
 	.rc_interval      = 400,
-	.remote_protocol  = USB_REMOTE_PROTO_NEC,
+	.init_rc          = vp7045_rc_init,
 	.query_rc         = vp7045_rc_query,
 
 	/* parameter for the MPEG2-data transfer */
-- 
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