diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-08 17:04:38 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:21 -0300 |
| commit | 1cd3c0fa927084549005fc22e54d99684b314f14 (patch) | |
| tree | ffec4f2829239216640983e0102f4638493a1140 /drivers/media/video/zoran/zoran_card.c | |
| parent | 98ec633972a70cf71d71bc8762804f0af4792d08 (diff) | |
V4L/DVB (11022): zoran/bt819: use new notify functionality.
Bt819 needs the parent driver to drive a GPIO pin low and high in order to
reset its fifo. Use the new notify callback for this.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/zoran/zoran_card.c')
| -rw-r--r-- | drivers/media/video/zoran/zoran_card.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c index b5d228d91b0..ec9b6ef5609 100644 --- a/drivers/media/video/zoran/zoran_card.c +++ b/drivers/media/video/zoran/zoran_card.c @@ -39,7 +39,6 @@ #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/videodev2.h> -#include <media/v4l2-common.h> #include <linux/spinlock.h> #include <linux/sem.h> #include <linux/kmod.h> @@ -48,8 +47,9 @@ #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/mutex.h> - -#include <asm/io.h> +#include <linux/io.h> +#include <media/v4l2-common.h> +#include <media/bt819.h> #include "videocodec.h" #include "zoran.h" @@ -1196,6 +1196,19 @@ zoran_setup_videocodec (struct zoran *zr, return m; } +static int zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + struct zoran *zr = to_zoran(sd->v4l2_dev); + + /* Bt819 needs to reset its FIFO buffer using #FRST pin and + LML33 card uses GPIO(7) for that. */ + if (cmd == BT819_FIFO_RESET_LOW) + GPIO(zr, 7, 0); + else if (cmd == BT819_FIFO_RESET_HIGH) + GPIO(zr, 7, 1); + return 0; +} + /* * Scan for a Buz card (actually for the PCI controller ZR36057), * request the irq and map the io memory @@ -1226,6 +1239,7 @@ static int __devinit zoran_probe(struct pci_dev *pdev, ZORAN_NAME, __func__); return -ENOMEM; } + zr->v4l2_dev.notify = zoran_subdev_notify; if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev)) goto zr_free_mem; zr->pci_dev = pdev; |