V4L/DVB (13591): add support for IR on FlyDVB Trio (saa7134)

[safe/jmp/linux-2.6] / drivers / media / video / saa7134 / saa7134-cards.c

diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index 7e40d6d..03f5727 100644 (file)
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -7211,9 +7211,31 @@ int saa7134_board_init2(struct saa7134_dev *dev)
        }
        case SAA7134_BOARD_FLYDVB_TRIO:
        {
+               u8 temp = 0;
+               int rc;
                u8 data[] = { 0x3c, 0x33, 0x62};
                struct i2c_msg msg = {.addr=0x09, .flags=0, .buf=data, .len = sizeof(data)};
                i2c_transfer(&dev->i2c_adap, &msg, 1);
+
+               /*
+                * send weak up message to pic16C505 chip
+                * @ LifeView FlyDVB Trio
+                */
+               msg.buf = &temp;
+               msg.addr = 0x0b;
+               msg.len = 1;
+               if (1 != i2c_transfer(&dev->i2c_adap, &msg, 1)) {
+                       printk(KERN_WARNING "%s: send wake up byte to pic16C505"
+                                       "(IR chip) failed\n", dev->name);
+               } else {
+                       msg.flags = I2C_M_RD;
+                       rc = i2c_transfer(&dev->i2c_adap, &msg, 1);
+                       printk(KERN_INFO "%s: probe IR chip @ i2c 0x%02x: %s\n",
+                                  dev->name, msg.addr,
+                                  (1 == rc) ? "yes" : "no");
+                       if (rc == 1)
+                               dev->has_remote = SAA7134_REMOTE_I2C;
+               }
                break;
        }
        case SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331: