diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 53a9fb91e97e..5717bdee8f1b 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -139,6 +139,7 @@ int em28xx_read_reg(struct em28xx *dev, u16 reg) { return em28xx_read_reg_req(dev, USB_REQ_GET_STATUS, reg); } +EXPORT_SYMBOL_GPL(em28xx_read_reg); /* * em28xx_write_regs_req() @@ -205,6 +206,7 @@ int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len) return rc; } +EXPORT_SYMBOL_GPL(em28xx_write_regs); /* Write a single register */ int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val) @@ -239,6 +241,7 @@ int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, return em28xx_write_regs(dev, reg, &newval, 1); } +EXPORT_SYMBOL_GPL(em28xx_write_reg_bits); /* * em28xx_is_ac97_ready() @@ -666,7 +669,6 @@ int em28xx_capture_start(struct em28xx *dev, int start) return rc; } -EXPORT_SYMBOL_GPL(em28xx_capture_start); int em28xx_vbi_supported(struct em28xx *dev) { @@ -975,7 +977,6 @@ void em28xx_uninit_isoc(struct em28xx *dev, enum em28xx_mode mode) else isoc_bufs = &dev->isoc_ctl.analog_bufs; - dev->isoc_ctl.nfields = -1; for (i = 0; i < isoc_bufs->num_bufs; i++) { urb = isoc_bufs->urb[i]; if (urb) { @@ -1008,6 +1009,31 @@ void em28xx_uninit_isoc(struct em28xx *dev, enum em28xx_mode mode) EXPORT_SYMBOL_GPL(em28xx_uninit_isoc); /* + * Stop URBs + */ +void em28xx_stop_urbs(struct em28xx *dev) +{ + int i; + struct urb *urb; + struct em28xx_usb_isoc_bufs *isoc_bufs = &dev->isoc_ctl.digital_bufs; + + em28xx_isocdbg("em28xx: called em28xx_stop_urbs\n"); + + for (i = 0; i < isoc_bufs->num_bufs; i++) { + urb = isoc_bufs->urb[i]; + if (urb) { + if (!irqs_disabled()) + usb_kill_urb(urb); + else + usb_unlink_urb(urb); + } + } + + em28xx_capture_start(dev, 0); +} +EXPORT_SYMBOL_GPL(em28xx_stop_urbs); + +/* * Allocate URBs */ int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode, |