3 files changed, 59 insertions, 20 deletions

diff --git a/linux/drivers/media/video/em28xx/em28xx-input.c b/linux/drivers/media/video/em28xx/em28xx-input.c
index a8d3cd4b0..1af8bd764 100644
--- a/linux/drivers/media/video/em28xx/em28xx-input.c
+++ b/linux/drivers/media/video/em28xx/em28xx-input.c
@@ -111,7 +111,7 @@ static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 	return 1;
 }
 
-static int get_key_pinnacle_usb(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
 	unsigned char buf[3];
 
@@ -154,8 +154,8 @@ void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir)
 		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Terratec)");
 		break;
 	case (EM2820_BOARD_PINNACLE_USB_2):
-		ir->ir_codes = ir_codes_em_pinnacle_usb;
-		ir->get_key = get_key_pinnacle_usb;
+		ir->ir_codes = ir_codes_pinnacle_grey;
+		ir->get_key = get_key_pinnacle_usb_grey;
 		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Pinnacle PCTV)");
 		break;
 	case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
diff --git a/linux/drivers/media/video/ir-kbd-i2c.c b/linux/drivers/media/video/ir-kbd-i2c.c
index ab1c47648..45a08ced9 100644
--- a/linux/drivers/media/video/ir-kbd-i2c.c
+++ b/linux/drivers/media/video/ir-kbd-i2c.c
@@ -152,12 +152,11 @@ static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 	return 1;
 }
 
-/* The new pinnacle PCTV remote (with the colored buttons)
+/* Common (grey or coloured) pinnacle PCTV remote handling
  *
- * Ricardo Cerqueira <v4l@cerqueira.org>
  */
-
-int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
+			    int parity_offset, int marker, int code_modulo)
 {
 	unsigned char b[4];
 	unsigned int start = 0,parity = 0,code = 0;
@@ -169,9 +168,9 @@ int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 	}
 
 	for (start = 0; start<4; start++) {
-		if (b[start] == 0x80) {
-			code=b[(start+3)%4];
-			parity=b[(start+2)%4];
+		if (b[start] == marker) {
+			code=b[(start+parity_offset+1)%4];
+			parity=b[(start+parity_offset)%4];
 		}
 	}
 
@@ -183,16 +182,14 @@ int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 	if (ir->old == parity)
 		return 0;
 
-
 	ir->old = parity;
 
-	/* Reduce code value to fit inside IR_KEYTAB_SIZE
-	 *
-	 * this is the only value that results in 42 unique
-	 * codes < 128
-	 */
+	/* drop special codes when a key is held down a long time for the grey controller
+	   In this case, the second bit of the code is asserted */
+	if (marker == 0xfe && (code & 0x40))
+		return 0;
 
-	code %= 0x88;
+	code %= code_modulo;
 
 	*ir_raw = code;
 	*ir_key = code;
@@ -202,7 +199,40 @@ int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 	return 1;
 }
 
-EXPORT_SYMBOL_GPL(get_key_pinnacle);
+/* The grey pinnacle PCTV remote
+ *
+ *  There are one issue with this remote:
+ *   - I2c packet does not change when the same key is pressed quickly. The workaround
+ *     is to hold down each key for about half a second, so that another code is generated
+ *     in the i2c packet, and the function can distinguish key presses.
+ *
+ * Sylvain Pasche <sylvain.pasche@gmail.com>
+ */
+int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+
+	return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_grey);
+
+
+/* The new pinnacle PCTV remote (with the colored buttons)
+ *
+ * Ricardo Cerqueira <v4l@cerqueira.org>
+ */
+int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+	/* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
+	 *
+	 * this is the only value that results in 42 unique
+	 * codes < 128
+	 */
+
+	return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_color);
 
 /* ----------------------------------------------------------------------- */
 
diff --git a/linux/drivers/media/video/saa7134/saa7134-input.c b/linux/drivers/media/video/saa7134/saa7134-input.c
index 0543788bf..a29f94f12 100644
--- a/linux/drivers/media/video/saa7134/saa7134-input.c
+++ b/linux/drivers/media/video/saa7134/saa7134-input.c
@@ -39,6 +39,10 @@ static unsigned int ir_debug = 0;
 module_param(ir_debug, int, 0644);
 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
 
+static int pinnacle_remote = 0;
+module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
+MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
+
 #define dprintk(fmt, arg...)	if (ir_debug) \
 	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
 #define i2cdprintk(fmt, arg...)    if (ir_debug) \
@@ -324,8 +328,13 @@ void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
 	switch (dev->board) {
 	case SAA7134_BOARD_PINNACLE_PCTV_110i:
 		snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
-		ir->get_key   = get_key_pinnacle;
-		ir->ir_codes  = ir_codes_pinnacle;
+		if (pinnacle_remote == 0) {
+			ir->get_key   = get_key_pinnacle_color;
+			ir->ir_codes = ir_codes_pinnacle_color;
+		} else {
+			ir->get_key   = get_key_pinnacle_grey;
+			ir->ir_codes = ir_codes_pinnacle_grey;
+		}
 		break;
 	case SAA7134_BOARD_UPMOST_PURPLE_TV:
 		snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");