diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-17 21:37:31 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:09:40 -0300 |
| commit | ee6e3a865a469c78daa93a1e6cdbaca3a102f9c8 (patch) | |
| tree | 43de64b3158e8ca9d4d1f580a985478b30d106fe /drivers/media/video/em28xx/em28xx-core.c | |
| parent | acaa4b609fbab25e09459cd8e842e292b27f5ecb (diff) | |
V4L/DVB (7595): Improve generic support for setting gpio values
em28xx based devices with xc3028 may require some specific gpio values.
This patch adds a generic handling for such values.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 97635abb916e..841c7c2c91b3 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -314,14 +314,36 @@ int em28xx_colorlevels_set_default(struct em28xx *dev) int em28xx_capture_start(struct em28xx *dev, int start) { - int ret; + int rc; /* FIXME: which is the best order? */ /* video registers are sampled by VREF */ - if ((ret = em28xx_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00, - 0x10)) < 0) - return ret; + rc = em28xx_write_reg_bits(dev, USBSUSP_REG, + start ? 0x10 : 0x00, 0x10); + if (rc < 0) + return rc; + + if (!start) { + /* disable video capture */ + rc = em28xx_write_regs(dev, VINENABLE_REG, "\x27", 1); + if (rc < 0) + return rc; + } + /* enable video capture */ - return em28xx_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1); + rc = em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1); + if (rc < 0) + return rc; + if (dev->mode == EM28XX_ANALOG_MODE) + rc = em28xx_write_regs(dev, VINENABLE_REG,"\x67", 1); + else + rc = em28xx_write_regs(dev, VINENABLE_REG,"\x37", 1); + + if (rc < 0) + return rc; + + msleep (6); + + return rc; } int em28xx_outfmt_set_yuv422(struct em28xx *dev) |