From d995a18733a683c1c086a4d48315976f8c25d89b Mon Sep 17 00:00:00 2001 From: Lukas Karas Date: Tue, 24 Nov 2009 12:06:52 -0300 Subject: V4L/DVB (13591): add support for IR on FlyDVB Trio (saa7134) saa7134: Add support for IR reciever on card LifeView FlyDVB Trio -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html [mchehab@redhat.com: CodingStyle fixes and ported upstream] Tested-by: Petr Fiala Signed-off-by: Lukas Karas Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-cards.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to '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 7e40d6d99dd0..03f572708b85 100644 --- 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: -- cgit v1.2.3