diff options
Diffstat (limited to 'Documentation/usb/w9968cf.txt')
-rw-r--r-- | Documentation/usb/w9968cf.txt | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/Documentation/usb/w9968cf.txt b/Documentation/usb/w9968cf.txt index 18a47738d56c..9d46cd0b19e3 100644 --- a/Documentation/usb/w9968cf.txt +++ b/Documentation/usb/w9968cf.txt | |||
@@ -57,16 +57,12 @@ based cameras should be supported as well. | |||
57 | The driver is divided into two modules: the basic one, "w9968cf", is needed for | 57 | The driver is divided into two modules: the basic one, "w9968cf", is needed for |
58 | the supported devices to work; the second one, "w9968cf-vpp", is an optional | 58 | the supported devices to work; the second one, "w9968cf-vpp", is an optional |
59 | module, which provides some useful video post-processing functions like video | 59 | module, which provides some useful video post-processing functions like video |
60 | decoding, up-scaling and colour conversions. Once the driver is installed, | 60 | decoding, up-scaling and colour conversions. |
61 | every time an application tries to open a recognized device, "w9968cf" checks | ||
62 | the presence of the "w9968cf-vpp" module and loads it automatically by default. | ||
63 | 61 | ||
64 | Please keep in mind that official kernels do not include the second module for | 62 | Note that the official kernels do neither include nor support the second |
65 | performance purposes. However it is always recommended to download and install | 63 | module for performance purposes. Therefore, it is always recommended to |
66 | the latest and complete release of the driver, replacing the existing one, if | 64 | download and install the latest and complete release of the driver, |
67 | present: it will be still even possible not to load the "w9968cf-vpp" module at | 65 | replacing the existing one, if present. |
68 | all, if you ever want to. Another important missing feature of the version in | ||
69 | the official Linux 2.4 kernels is the writeable /proc filesystem interface. | ||
70 | 66 | ||
71 | The latest and full-featured version of the W996[87]CF driver can be found at: | 67 | The latest and full-featured version of the W996[87]CF driver can be found at: |
72 | http://www.linux-projects.org. Please refer to the documentation included in | 68 | http://www.linux-projects.org. Please refer to the documentation included in |
@@ -201,22 +197,6 @@ Note: The kernel must be compiled with the CONFIG_KMOD option | |||
201 | enabled for the 'ovcamchip' module to be loaded and for | 197 | enabled for the 'ovcamchip' module to be loaded and for |
202 | this parameter to be present. | 198 | this parameter to be present. |
203 | ------------------------------------------------------------------------------- | 199 | ------------------------------------------------------------------------------- |
204 | Name: vppmod_load | ||
205 | Type: bool | ||
206 | Syntax: <0|1> | ||
207 | Description: Automatic 'w9968cf-vpp' module loading: 0 disabled, 1 enabled. | ||
208 | If enabled, every time an application attempts to open a | ||
209 | camera, 'insmod' searches for the video post-processing module | ||
210 | in the system and loads it automatically (if present). | ||
211 | The optional 'w9968cf-vpp' module adds extra image manipulation | ||
212 | capabilities to the 'w9968cf' module,like software up-scaling, | ||
213 | colour conversions and video decompression for very high frame | ||
214 | rates. | ||
215 | Default: 1 | ||
216 | Note: The kernel must be compiled with the CONFIG_KMOD option | ||
217 | enabled for the 'w9968cf-vpp' module to be loaded and for | ||
218 | this parameter to be present. | ||
219 | ------------------------------------------------------------------------------- | ||
220 | Name: simcams | 200 | Name: simcams |
221 | Type: int | 201 | Type: int |
222 | Syntax: <n> | 202 | Syntax: <n> |