[media] saa7134: switch tuner FMD1216ME_MK3 to analog
authorJuergen Gier <juergen.gier@gmx.de>
Thu, 14 May 2015 11:55:04 +0000 (08:55 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Sat, 6 Jun 2015 10:29:17 +0000 (07:29 -0300)
The tuner FMD1216ME_MK3 suffers the same problem as FMD1216MEX_MK3,
as described in saa7134-cards.c (disabled IF, enabled DVB-T). The
card does work under MS Windows, after soft reboot into Linux it
continues to work, only then tda9887 is loaded as well.
I copied the relevant code from the BEHOLD_H6 section to MD7134.

The CTX946 TV card doesn't detect a signal after cold boot, seems

Signed-off-by: Juergen Gier <juergen.gier@gmx.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/pci/saa7134/saa7134-cards.c

index 9fac6a9..c520329 100644 (file)
@@ -7798,10 +7798,11 @@ int saa7134_board_init2(struct saa7134_dev *dev)
        case SAA7134_BOARD_MD7134:
        {
                u8 subaddr;
-               u8 data[3];
+               u8 data[3], data1[] = { 0x09, 0x9f, 0x86, 0x11};
                int ret, tuner_t;
-               struct i2c_msg msg[] = {{.addr=0x50, .flags=0, .buf=&subaddr, .len = 1},
-                                       {.addr=0x50, .flags=I2C_M_RD, .buf=data, .len = 3}};
+               struct i2c_msg msg[] = {{.addr = 0x50, .flags = 0, .buf = &subaddr, .len = 1},
+                                       {.addr = 0x50, .flags = I2C_M_RD, .buf = data, .len = 3}},
+                               msg1 = {.addr = 0x61, .flags = 0, .buf = data1, .len = sizeof(data1)};
 
                subaddr= 0x14;
                tuner_t = 0;
@@ -7856,6 +7857,16 @@ int saa7134_board_init2(struct saa7134_dev *dev)
                }
 
                pr_info("%s Tuner type is %d\n", dev->name, dev->tuner_type);
+
+               /* The tuner TUNER_PHILIPS_FMD1216ME_MK3 after hardware    */
+               /* start has disabled IF and enabled DVB-T. When saa7134   */
+               /* scan I2C devices it will not detect IF tda9887 and can`t*/
+               /* watch TV without software reboot. To solve this problem */
+               /* switch the tuner to analog TV mode manually.            */
+               if (dev->tuner_type == TUNER_PHILIPS_FMD1216ME_MK3) {
+                       if (i2c_transfer(&dev->i2c_adap, &msg1, 1) != 1)
+                               printk(KERN_WARNING "%s: Unable to enable IF of the tuner.\n", dev->name);
+               }
                break;
        }
        case SAA7134_BOARD_PHILIPS_EUROPA: