diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/cx88/cx88-cards.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 1039757..d2aa27e 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -2702,10 +2702,22 @@ static int cx88_xc5000_tuner_callback(struct cx88_core *core, switch (core->boardnr) { case CX88_BOARD_PINNACLE_PCTV_HD_800i: if (command == 0) { /* This is the reset command from xc5000 */ - /* Reset XC5000 tuner via SYS_RSTO_pin */ - cx_write(MO_SRST_IO, 0); - msleep(10); - cx_write(MO_SRST_IO, 1); + + /* djh - According to the engineer at PCTV Systems, + the xc5000 reset pin is supposed to be on GPIO12. + However, despite three nights of effort, pulling + that GPIO low didn't reset the xc5000. While + pulling MO_SRST_IO low does reset the xc5000, this + also resets in the s5h1409 being reset as well. + This causes tuning to always fail since the internal + state of the s5h1409 does not match the driver's + state. Given that the only two conditions in which + the driver performs a reset is during firmware load + and powering down the chip, I am taking out the + reset. We know that the chip is being reset + when the cx88 comes online, and not being able to + do power management for this board is worse than + not having any tuning at all. */ return 0; } else { err_printk(core, "xc5000: unknown tuner " |