[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 d6b3e15a0350..3800b99e4b86 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;