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V4L/DVB (12779): tm6000: Correct dev init & Add general USB ctrl msg pause

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Add GPIO4 reset, which is required to make DVB-T work with the Freecom
stick.
Add a general 5 ms pause to the "tm6000_read_write_usb" method.

Signed-off-by: Michel Ludwig <michel.ludwig@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michel Ludwig 2007-07-02 20:59:58 -03:00 committed by Mauro Carvalho Chehab
parent 526835d5b3
commit a5adfbed09
1 changed files with 21 additions and 2 deletions
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23
drivers/staging/tm6000/tm6000-core.c
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@ -99,6 +99,8 @@ int tm6000_read_write_usb (struct tm6000_core *dev, u8 req_type, u8 req,
kfree(data);
msleep(5);
return ret;
}
@ -304,8 +306,8 @@ int tm6000_init (struct tm6000_core *dev)
tm6000_set_reg (dev, REQ_05_SET_GET_USBREG, 0x18, 0x00);
msleep(5); /* Just to be conservative */
/* Reset GPIO1. Maybe, this is 10 Moons specific */
for (i=0; i< 3; i++) {
/* Reset GPIO1 and GPIO4. */
for (i=0; i< 2; i++) {
rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_1, 0);
if (rc<0) {
printk (KERN_ERR "Error %i doing GPIO1 reset\n",rc);
@ -319,9 +321,26 @@ int tm6000_init (struct tm6000_core *dev)
return rc;
}
msleep(10);
rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_4, 0);
if (rc<0) {
printk (KERN_ERR "Error %i doing GPIO4 reset\n",rc);
return rc;
}
msleep(10);
rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_4, 1);
if (rc<0) {
printk (KERN_ERR "Error %i doing GPIO4 reset\n",rc);
return rc;
}
if (!i)
rc=tm6000_get_reg16(dev, 0x40,0,0);
}
msleep(50);
return 0;
#endif /* HACK */