diff options
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml index 407dfceb71f0..f4db44d0d95a 100644 --- a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml +++ b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml | |||
@@ -58,6 +58,9 @@ To do this applications initialize the <structfield>tuner</structfield>, | |||
58 | call the <constant>VIDIOC_S_HW_FREQ_SEEK</constant> ioctl with a pointer | 58 | call the <constant>VIDIOC_S_HW_FREQ_SEEK</constant> ioctl with a pointer |
59 | to this structure.</para> | 59 | to this structure.</para> |
60 | 60 | ||
61 | <para>If an error is returned, then the original frequency will | ||
62 | be restored.</para> | ||
63 | |||
61 | <para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para> | 64 | <para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para> |
62 | 65 | ||
63 | <table pgwide="1" frame="none" id="v4l2-hw-freq-seek"> | 66 | <table pgwide="1" frame="none" id="v4l2-hw-freq-seek"> |
@@ -87,7 +90,10 @@ field and the &v4l2-tuner; <structfield>index</structfield> field.</entry> | |||
87 | <row> | 90 | <row> |
88 | <entry>__u32</entry> | 91 | <entry>__u32</entry> |
89 | <entry><structfield>wrap_around</structfield></entry> | 92 | <entry><structfield>wrap_around</structfield></entry> |
90 | <entry>If non-zero, wrap around when at the end of the frequency range, else stop seeking.</entry> | 93 | <entry>If non-zero, wrap around when at the end of the frequency range, else stop seeking. |
94 | The &v4l2-tuner; <structfield>capability</structfield> field will tell you what the | ||
95 | hardware supports. | ||
96 | </entry> | ||
91 | </row> | 97 | </row> |
92 | <row> | 98 | <row> |
93 | <entry>__u32</entry> | 99 | <entry>__u32</entry> |
@@ -118,9 +124,15 @@ wrong.</para> | |||
118 | </listitem> | 124 | </listitem> |
119 | </varlistentry> | 125 | </varlistentry> |
120 | <varlistentry> | 126 | <varlistentry> |
121 | <term><errorcode>EAGAIN</errorcode></term> | 127 | <term><errorcode>ENODATA</errorcode></term> |
128 | <listitem> | ||
129 | <para>The hardware seek found no channels.</para> | ||
130 | </listitem> | ||
131 | </varlistentry> | ||
132 | <varlistentry> | ||
133 | <term><errorcode>EBUSY</errorcode></term> | ||
122 | <listitem> | 134 | <listitem> |
123 | <para>The ioctl timed-out. Try again.</para> | 135 | <para>Another hardware seek is already in progress.</para> |
124 | </listitem> | 136 | </listitem> |
125 | </varlistentry> | 137 | </varlistentry> |
126 | </variablelist> | 138 | </variablelist> |