diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-01-11 05:37:54 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-16 06:38:29 -0500 |
| commit | dacd4fa37dbafe209a90d6d5b729d2257df4b734 (patch) | |
| tree | ed3b9519c1013cafb6c9da63299806910c25c5fd | |
| parent | 6055b12ae0f433314cba98f423fb8c5fc211ca8d (diff) | |
[media] V4L2 Spec: improve the G/S_INPUT/OUTPUT documentation
As Rupert pointed out, the phrase "It is good practice" should be replaced
with "You must".
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Rupert Eibauer <Rupert.Eibauer@ces.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-input.xml | 4 | ||||
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-output.xml | 5 |
2 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-input.xml b/Documentation/DocBook/media/v4l/vidioc-g-input.xml index 08ae82f131f2..1d43065090dd 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-input.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-input.xml | |||
| @@ -61,8 +61,8 @@ desired input in an integer and call the | |||
| 61 | <constant>VIDIOC_S_INPUT</constant> ioctl with a pointer to this | 61 | <constant>VIDIOC_S_INPUT</constant> ioctl with a pointer to this |
| 62 | integer. Side effects are possible. For example inputs may support | 62 | integer. Side effects are possible. For example inputs may support |
| 63 | different video standards, so the driver may implicitly switch the | 63 | different video standards, so the driver may implicitly switch the |
| 64 | current standard. It is good practice to select an input before | 64 | current standard. Because of these possible side effects applications |
| 65 | querying or negotiating any other parameters.</para> | 65 | must select an input before querying or negotiating any other parameters.</para> |
| 66 | 66 | ||
| 67 | <para>Information about video inputs is available using the | 67 | <para>Information about video inputs is available using the |
| 68 | &VIDIOC-ENUMINPUT; ioctl.</para> | 68 | &VIDIOC-ENUMINPUT; ioctl.</para> |
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-output.xml b/Documentation/DocBook/media/v4l/vidioc-g-output.xml index fd45f1c13ccf..4533068ecb8a 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-output.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-output.xml | |||
| @@ -61,8 +61,9 @@ desired output in an integer and call the | |||
| 61 | <constant>VIDIOC_S_OUTPUT</constant> ioctl with a pointer to this integer. | 61 | <constant>VIDIOC_S_OUTPUT</constant> ioctl with a pointer to this integer. |
| 62 | Side effects are possible. For example outputs may support different | 62 | Side effects are possible. For example outputs may support different |
| 63 | video standards, so the driver may implicitly switch the current | 63 | video standards, so the driver may implicitly switch the current |
| 64 | standard. It is good practice to select an output before querying or | 64 | standard. |
| 65 | negotiating any other parameters.</para> | 65 | standard. Because of these possible side effects applications |
| 66 | must select an output before querying or negotiating any other parameters.</para> | ||
| 66 | 67 | ||
| 67 | <para>Information about video outputs is available using the | 68 | <para>Information about video outputs is available using the |
| 68 | &VIDIOC-ENUMOUTPUT; ioctl.</para> | 69 | &VIDIOC-ENUMOUTPUT; ioctl.</para> |