diff options
Diffstat (limited to 'drivers/media/pci/ttpci/budget-av.c')
| -rw-r--r-- | drivers/media/pci/ttpci/budget-av.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c index b9efcd3ccfdb..dbd4ef40e867 100644 --- a/drivers/media/pci/ttpci/budget-av.c +++ b/drivers/media/pci/ttpci/budget-av.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * budget-av.c: driver for the SAA7146 based Budget DVB cards - * with analog video in + * budget-av.ko: driver for the SAA7146 based Budget DVB cards + * with analog video input (and optionally with CI) * * Compiled from various sources by Michael Hunold <michael@mihu.de> * @@ -63,8 +63,8 @@ struct budget_av { static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot); - -/* GPIO Connections: +/* + * GPIO Connections: * 0 - Vcc/Reset (Reset is controlled by capacitor). Resets the frontend *AS WELL*! * 1 - CI memory select 0=>IO memory, 1=>Attribute Memory * 2 - CI Card Enable (Active Low) @@ -267,8 +267,10 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open if (slot != 0) return -EINVAL; - /* test the card detect line - needs to be done carefully - * since it never goes high for some CAMs on this interface (e.g. topuptv) */ + /* + * test the card detect line - needs to be done carefully + * since it never goes high for some CAMs on this interface (e.g. topuptv) + */ if (budget_av->slot_status == SLOTSTATUS_NONE) { saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT); udelay(1); @@ -281,12 +283,14 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); } - /* We also try and read from IO memory to work round the above detection bug. If + /* + * We also try and read from IO memory to work round the above detection bug. If * there is no CAM, we will get a timeout. Only done if there is no cam * present, since this test actually breaks some cams :( * * if the CI interface is not open, we also do the above test since we - * don't care if the cam has problems - we'll be resetting it on open() anyway */ + * don't care if the cam has problems - we'll be resetting it on open() anyway + */ if ((budget_av->slot_status == SLOTSTATUS_NONE) || (!open)) { saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO); result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1); |