[PATCH] v4l: 790: added support for terratec cinergy 250 usb

- Added support for Terratec Cinergy 250 USB

Signed-off-by: Markus Rechberger <mrechberger@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 62 insertions, 32 deletions

diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index d6b3e15..3800b99 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -42,40 +42,68 @@ MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
 
 /* ---------------------------------------------------------------------- */
 
-static IR_KEYTAB_TYPE ir_codes_em_pinnacle[IR_KEYTAB_SIZE] = {
-	[  0 ] = KEY_CHANNEL,
-	[  1 ] = KEY_SELECT,
-	[  2 ] = KEY_MUTE,
-	[  3 ] = KEY_POWER,
-	[  4 ] = KEY_KP1,
-	[  5 ] = KEY_KP2,
-	[  6 ] = KEY_KP3,
-	[  7 ] = KEY_CHANNELUP,
-	[  8 ] = KEY_KP4,
-	[  9 ] = KEY_KP5,
-	[ 10 ] = KEY_KP6,
-
-	[ 11 ] = KEY_CHANNELDOWN,
-	[ 12 ] = KEY_KP7,
-	[ 13 ] = KEY_KP8,
-	[ 14 ] = KEY_KP9,
-	[ 15 ] = KEY_VOLUMEUP,
-	[ 16 ] = KEY_KP0,
-	[ 17 ] = KEY_MENU,
-	[ 18 ] = KEY_PRINT,
-
-	[ 19 ] = KEY_VOLUMEDOWN,
-	[ 21 ] = KEY_PAUSE,
-	[ 23 ] = KEY_RECORD,
-	[ 24 ] = KEY_REWIND,
-	[ 25 ] = KEY_PLAY,
-	[ 27 ] = KEY_BACKSPACE,
-	[ 29 ] = KEY_STOP,
-	[ 31 ] = KEY_ZOOM,
+static IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE] = {
+ 	[ 0x01 ] = KEY_CHANNEL,
+ 	[ 0x02 ] = KEY_SELECT,
+ 	[ 0x03 ] = KEY_MUTE,
+ 	[ 0x04 ] = KEY_POWER,
+ 	[ 0x05 ] = KEY_KP1,
+ 	[ 0x06 ] = KEY_KP2,
+ 	[ 0x07 ] = KEY_KP3,
+ 	[ 0x08 ] = KEY_CHANNELUP,
+ 	[ 0x09 ] = KEY_KP4,
+ 	[ 0x0a ] = KEY_KP5,
+ 	[ 0x0b ] = KEY_KP6,
+ 	[ 0x0c ] = KEY_CHANNELDOWN,
+ 	[ 0x0d ] = KEY_KP7,
+ 	[ 0x0e ] = KEY_KP8,
+ 	[ 0x0f ] = KEY_KP9,
+ 	[ 0x10 ] = KEY_VOLUMEUP,
+ 	[ 0x11 ] = KEY_KP0,
+ 	[ 0x12 ] = KEY_MENU,
+ 	[ 0x13 ] = KEY_PRINT,
+ 	[ 0x14 ] = KEY_VOLUMEDOWN,
+ 	[ 0x16 ] = KEY_PAUSE,
+ 	[ 0x18 ] = KEY_RECORD,
+ 	[ 0x19 ] = KEY_REWIND,
+ 	[ 0x1a ] = KEY_PLAY,
+	[ 0x1b ] = KEY_FORWARD,
+	[ 0x1c ] = KEY_BACKSPACE,
+ 	[ 0x1e ] = KEY_STOP,
+ 	[ 0x40 ] = KEY_ZOOM,
 };
 
 /* ----------------------------------------------------------------------- */
 
+static int get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+	unsigned char b;
+
+	/* poll IR chip */
+	if (1 != i2c_master_recv(&ir->c,&b,1)) {
+		dprintk("read error\n");
+		return -EIO;
+	}
+
+	/* it seems that 0xFE indicates that a button is still hold
+	   down, while 0xFF indicates that no button is hold
+	   down. 0xFE sequences are sometimes interrupted by 0xFF */
+
+	dprintk("key %02x\n", b);
+
+	if (b == 0xFF)
+		return 0;
+
+	if (b == 0xFE)
+		/* keep old data */
+		return 1;
+
+	*ir_key = b;
+	*ir_raw = b;
+	return 1;
+}
+
+
 static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
 	unsigned char buf[2];
@@ -123,14 +151,16 @@ void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
 	case (EM2820_BOARD_UNKNOWN):
 		break;
 	case (EM2820_BOARD_TERRATEC_CINERGY_250):
+		ir->ir_codes = ir_codes_em_terratec;
+		ir->get_key = get_key_terratec;
+		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2820 Terratec)");
 		break;
 	case (EM2820_BOARD_PINNACLE_USB_2):
-		ir->ir_codes = ir_codes_em_pinnacle;
 		break;
 	case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
 		ir->ir_codes = ir_codes_hauppauge_new;
 		ir->get_key = get_key_em_haup;
-		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2840 Hauppage)");
+		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2840 Hauppauge)");
 		break;
 	case (EM2820_BOARD_MSI_VOX_USB_2):
 		break;