diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_driver.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_driver.c | 74 |
1 files changed, 55 insertions, 19 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 391cccca7ffc..a814820a3f6e 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -43,8 +43,9 @@ #define DRIVER_VERSION "v0.1.0" #endif +unsigned int uvc_clock_param = CLOCK_MONOTONIC; unsigned int uvc_no_drop_param; -static unsigned int uvc_quirks_param; +static unsigned int uvc_quirks_param = -1; unsigned int uvc_trace_param; unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT; @@ -59,6 +60,11 @@ static struct uvc_format_desc uvc_fmts[] = { .fcc = V4L2_PIX_FMT_YUYV, }, { + .name = "YUV 4:2:2 (YUYV)", + .guid = UVC_GUID_FORMAT_YUY2_ISIGHT, + .fcc = V4L2_PIX_FMT_YUYV, + }, + { .name = "YUV 4:2:0 (NV12)", .guid = UVC_GUID_FORMAT_NV12, .fcc = V4L2_PIX_FMT_NV12, @@ -309,11 +315,10 @@ static int uvc_parse_format(struct uvc_device *dev, sizeof format->name); format->fcc = fmtdesc->fcc; } else { - uvc_printk(KERN_INFO, "Unknown video format " - UVC_GUID_FORMAT "\n", - UVC_GUID_ARGS(&buffer[5])); - snprintf(format->name, sizeof format->name, - UVC_GUID_FORMAT, UVC_GUID_ARGS(&buffer[5])); + uvc_printk(KERN_INFO, "Unknown video format %pUl\n", + &buffer[5]); + snprintf(format->name, sizeof(format->name), "%pUl\n", + &buffer[5]); format->fcc = 0; } @@ -1750,7 +1755,8 @@ static int uvc_probe(struct usb_interface *intf, dev->udev = usb_get_dev(udev); dev->intf = usb_get_intf(intf); dev->intfnum = intf->cur_altsetting->desc.bInterfaceNumber; - dev->quirks = id->driver_info | uvc_quirks_param; + dev->quirks = (uvc_quirks_param == -1) + ? id->driver_info : uvc_quirks_param; if (udev->product != NULL) strlcpy(dev->name, udev->product, sizeof dev->name); @@ -1773,9 +1779,9 @@ static int uvc_probe(struct usb_interface *intf, le16_to_cpu(udev->descriptor.idVendor), le16_to_cpu(udev->descriptor.idProduct)); - if (uvc_quirks_param != 0) { - uvc_printk(KERN_INFO, "Forcing device quirks 0x%x by module " - "parameter for testing purpose.\n", uvc_quirks_param); + if (dev->quirks != id->driver_info) { + uvc_printk(KERN_INFO, "Forcing device quirks to 0x%x by module " + "parameter for testing purpose.\n", dev->quirks); uvc_printk(KERN_INFO, "Please report required quirks to the " "linux-uvc-devel mailing list.\n"); } @@ -1892,6 +1898,45 @@ static int uvc_reset_resume(struct usb_interface *intf) } /* ------------------------------------------------------------------------ + * Module parameters + */ + +static int uvc_clock_param_get(char *buffer, struct kernel_param *kp) +{ + if (uvc_clock_param == CLOCK_MONOTONIC) + return sprintf(buffer, "CLOCK_MONOTONIC"); + else + return sprintf(buffer, "CLOCK_REALTIME"); +} + +static int uvc_clock_param_set(const char *val, struct kernel_param *kp) +{ + if (strncasecmp(val, "clock_", strlen("clock_")) == 0) + val += strlen("clock_"); + + if (strcasecmp(val, "monotonic") == 0) + uvc_clock_param = CLOCK_MONOTONIC; + else if (strcasecmp(val, "realtime") == 0) + uvc_clock_param = CLOCK_REALTIME; + else + return -EINVAL; + + return 0; +} + +module_param_call(clock, uvc_clock_param_set, uvc_clock_param_get, + &uvc_clock_param, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(clock, "Video buffers timestamp clock"); +module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames"); +module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(quirks, "Forced device quirks"); +module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(trace, "Trace level bitmask"); +module_param_named(timeout, uvc_timeout_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(timeout, "Streaming control requests timeout"); + +/* ------------------------------------------------------------------------ * Driver initialization and cleanup */ @@ -2197,15 +2242,6 @@ static void __exit uvc_cleanup(void) module_init(uvc_init); module_exit(uvc_cleanup); -module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames"); -module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(quirks, "Forced device quirks"); -module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(trace, "Trace level bitmask"); -module_param_named(timeout, uvc_timeout_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(timeout, "Streaming control requests timeout"); - MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); |