From: Johannes Stezenbach Fix for CAMs on Typhoon DVB-S, where it would constantly reset itself. (Kenneth Aafloy) Signed-off-by: Johannes Stezenbach Signed-off-by: Andrew Morton --- 25-akpm/drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 2 +- 25-akpm/drivers/media/dvb/ttpci/budget-av.c | 13 ++++++++++++- 2 files changed, 13 insertions(+), 2 deletions(-) diff -puN drivers/media/dvb/dvb-core/dvb_ca_en50221.c~dvb-fix-cams-on-typhoon-dvb-s drivers/media/dvb/dvb-core/dvb_ca_en50221.c --- 25/drivers/media/dvb/dvb-core/dvb_ca_en50221.c~dvb-fix-cams-on-typhoon-dvb-s 2005-03-21 20:58:22.000000000 -0800 +++ 25-akpm/drivers/media/dvb/dvb-core/dvb_ca_en50221.c 2005-03-21 20:58:22.000000000 -0800 @@ -974,7 +974,7 @@ static void dvb_ca_en50221_thread_update if (ca->open) { if ((!ca->slot_info[slot].da_irq_supported) || (!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_DA))) { - delay = HZ / 100; + delay = HZ / 10; } } break; diff -puN drivers/media/dvb/ttpci/budget-av.c~dvb-fix-cams-on-typhoon-dvb-s drivers/media/dvb/ttpci/budget-av.c --- 25/drivers/media/dvb/ttpci/budget-av.c~dvb-fix-cams-on-typhoon-dvb-s 2005-03-21 20:58:22.000000000 -0800 +++ 25-akpm/drivers/media/dvb/ttpci/budget-av.c 2005-03-21 20:58:22.000000000 -0800 @@ -121,6 +121,8 @@ static int ciintf_read_attribute_mem(str return -EINVAL; saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI); + udelay(1); + result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 0xfff, 1, 0, 0); if (result == -ETIMEDOUT) @@ -137,6 +139,8 @@ static int ciintf_write_attribute_mem(st return -EINVAL; saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI); + udelay(1); + result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 0xfff, 1, value, 0, 0); if (result == -ETIMEDOUT) @@ -153,6 +157,8 @@ static int ciintf_read_cam_control(struc return -EINVAL; saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO); + udelay(1); + result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 3, 1, 0, 0); if (result == -ETIMEDOUT) @@ -169,6 +175,8 @@ static int ciintf_write_cam_control(stru return -EINVAL; saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO); + udelay(1); + result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 3, 1, value, 0, 0); if (result == -ETIMEDOUT) @@ -190,7 +198,10 @@ static int ciintf_slot_reset(struct dvb_ saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); msleep(100); saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); - msleep(2000); /* horrendous I know, but its the only way to be absolutely sure without an IRQ line! */ + + int max = 20; + while (--max > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d) + msleep(100); ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB); return 0; _