[bootlin/training-materials updates] master: kernel-labs: input: show the link structures (f3f7a1cb)
Miquel Raynal
miquel.raynal at bootlin.com
Fri Sep 2 18:55:53 CEST 2022
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/f3f7a1cbdf7449d2a2a010e5764318b3aec1050f
>---------------------------------------------------------------
commit f3f7a1cbdf7449d2a2a010e5764318b3aec1050f
Author: Miquel Raynal <miquel.raynal at bootlin.com>
Date: Fri Sep 2 18:55:43 2022 +0200
kernel-labs: input: show the link structures
Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
>---------------------------------------------------------------
f3f7a1cbdf7449d2a2a010e5764318b3aec1050f
.../kernel-i2c-input-interface.tex | 6 +
.../link-structures-input.dia | 1005 ++++++++++++++++++++
2 files changed, 1011 insertions(+)
diff --git a/labs/kernel-i2c-input-interface/kernel-i2c-input-interface.tex b/labs/kernel-i2c-input-interface/kernel-i2c-input-interface.tex
index bb4de8d6..be34ca1d 100644
--- a/labs/kernel-i2c-input-interface/kernel-i2c-input-interface.tex
+++ b/labs/kernel-i2c-input-interface/kernel-i2c-input-interface.tex
@@ -150,6 +150,12 @@ Now implement the pointers that we need:
\sourcecode{labs/kernel-i2c-input-interface/device-pointers.c}
+Making the parallel with the lectures, here are the current links (the
+dotted lines show missing links that could be added in the future):
+\begin{center}
+\includegraphics[height=10cm]{labs/kernel-i2c-input-interface/link-structures-input.pdf}
+\end{center}
+
Make sure you add this code before registering the input device. You
don't want to enable a device with incomplete information or when it is
not completely initialized yet (there could be race conditions).
diff --git a/labs/kernel-i2c-input-interface/link-structures-input.dia b/labs/kernel-i2c-input-interface/link-structures-input.dia
new file mode 100644
index 00000000..a84c78e7
--- /dev/null
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+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80000000000000004"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="8.5,11.7704"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="1"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="2"/>
+ </dia:attribute>
+ <dia:connections>
+ <dia:connection handle="0" to="O15" connection="8"/>
+ </dia:connections>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O17">
+ <dia:attribute name="obj_pos">
+ <dia:point val="8.45796,14.1608"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="8.43455,14.1608;8.45796,15.1673"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>##</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="Latin Modern Sans" style="0" name="Courier"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80000000000000004"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="8.45796,14.9227"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="1"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="0"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - Box" version="0" id="O18">
+ <dia:attribute name="obj_pos">
+ <dia:point val="5.99999,11.9824"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="5.94999,11.9324;11.05,15.5824"/>
+ </dia:attribute>
+ <dia:attribute name="elem_corner">
+ <dia:point val="5.99999,11.9824"/>
+ </dia:attribute>
+ <dia:attribute name="elem_width">
+ <dia:real val="4.9999833108874725"/>
+ </dia:attribute>
+ <dia:attribute name="elem_height">
+ <dia:real val="3.549988150730103"/>
+ </dia:attribute>
+ <dia:attribute name="border_width">
+ <dia:real val="0.10000000149011612"/>
+ </dia:attribute>
+ <dia:attribute name="border_color">
+ <dia:color val="#2f004aff"/>
+ </dia:attribute>
+ <dia:attribute name="inner_color">
+ <dia:color val="#efb9ffff"/>
+ </dia:attribute>
+ <dia:attribute name="show_background">
+ <dia:boolean val="true"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O19">
+ <dia:attribute name="obj_pos">
+ <dia:point val="6.19322,12.5433"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="6.19322,12.5433;10.9282,15.0796"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>#void *driver_data
+
+parent#</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="Latin Modern Sans" style="0" name="Courier"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80000000000000004"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="6.19322,13.2818"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="0"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="0"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - ZigZagLine" version="1" id="O20">
+ <dia:attribute name="obj_pos">
+ <dia:point val="5.94978,22.5"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="3.1375,2.71218;5.99978,22.55"/>
+ </dia:attribute>
+ <dia:attribute name="orth_points">
+ <dia:point val="5.94978,22.5"/>
+ <dia:point val="3.1875,22.5"/>
+ <dia:point val="3.1875,3.07398"/>
+ <dia:point val="4.981,3.07398"/>
+ </dia:attribute>
+ <dia:attribute name="orth_orient">
+ <dia:enum val="0"/>
+ <dia:enum val="1"/>
+ <dia:enum val="0"/>
+ </dia:attribute>
+ <dia:attribute name="autorouting">
+ <dia:boolean val="false"/>
+ </dia:attribute>
+ <dia:attribute name="line_style">
+ <dia:enum val="4"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow">
+ <dia:enum val="22"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_length">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_width">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:connections>
+ <dia:connection handle="0" to="O9" connection="8"/>
+ <dia:connection handle="1" to="O1" connection="8"/>
+ </dia:connections>
+ </dia:object>
+ <dia:object type="Standard - ZigZagLine" version="1" id="O21">
+ <dia:attribute name="obj_pos">
+ <dia:point val="12.0903,6.65745"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="11.9998,6.60745;12.9125,9.52732"/>
+ </dia:attribute>
+ <dia:attribute name="orth_points">
+ <dia:point val="12.0903,6.65745"/>
+ <dia:point val="12.8625,6.65745"/>
+ <dia:point val="12.8625,9.16552"/>
+ <dia:point val="12.0498,9.16552"/>
+ </dia:attribute>
+ <dia:attribute name="orth_orient">
+ <dia:enum val="0"/>
+ <dia:enum val="1"/>
+ <dia:enum val="0"/>
+ </dia:attribute>
+ <dia:attribute name="autorouting">
+ <dia:boolean val="false"/>
+ </dia:attribute>
+ <dia:attribute name="line_style">
+ <dia:enum val="4"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow">
+ <dia:enum val="22"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_length">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_width">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:connections>
+ <dia:connection handle="1" to="O4" connection="8"/>
+ </dia:connections>
+ </dia:object>
+ <dia:object type="Standard - ZigZagLine" version="1" id="O22">
+ <dia:attribute name="obj_pos">
+ <dia:point val="4.97783,4.90745"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="4.01249,4.85745;5.02783,18.3618"/>
+ </dia:attribute>
+ <dia:attribute name="orth_points">
+ <dia:point val="4.97783,4.90745"/>
+ <dia:point val="4.06249,4.90745"/>
+ <dia:point val="4.06249,18"/>
+ <dia:point val="4.95032,18"/>
+ </dia:attribute>
+ <dia:attribute name="orth_orient">
+ <dia:enum val="0"/>
+ <dia:enum val="1"/>
+ <dia:enum val="0"/>
+ </dia:attribute>
+ <dia:attribute name="autorouting">
+ <dia:boolean val="false"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow">
+ <dia:enum val="22"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_length">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_width">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:connections>
+ <dia:connection handle="1" to="O7" connection="8"/>
+ </dia:connections>
+ </dia:object>
+ <dia:object type="Standard - ZigZagLine" version="1" id="O23">
+ <dia:attribute name="obj_pos">
+ <dia:point val="10.9875,14.7074"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="10.9375,14.6574;12.9778,20.8618"/>
+ </dia:attribute>
+ <dia:attribute name="orth_points">
+ <dia:point val="10.9875,14.7074"/>
+ <dia:point val="12.9278,14.7074"/>
+ <dia:point val="12.9278,20.5"/>
+ <dia:point val="11.0496,20.5"/>
+ </dia:attribute>
+ <dia:attribute name="orth_orient">
+ <dia:enum val="0"/>
+ <dia:enum val="1"/>
+ <dia:enum val="0"/>
+ </dia:attribute>
+ <dia:attribute name="autorouting">
+ <dia:boolean val="false"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow">
+ <dia:enum val="22"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_length">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:attribute name="end_arrow_width">
+ <dia:real val="0.5"/>
+ </dia:attribute>
+ <dia:connections>
+ <dia:connection handle="1" to="O10" connection="8"/>
+ </dia:connections>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O24">
+ <dia:attribute name="obj_pos">
+ <dia:point val="16.97,11.0531"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="14.2162,10.5849;19.7237,11.5213"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>#input_set_drvdata()#</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="Latin Modern Sans" style="0" name="Courier"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80009997997416349"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="16.97,11.3235"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="1"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="2"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O25">
+ <dia:attribute name="obj_pos">
+ <dia:point val="17.58,17.3906"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="13.4487,16.9224;21.7112,17.8588"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>#devm_input_allocate_device()#</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="Latin Modern Sans" style="0" name="Courier"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80009997997416349"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="17.58,17.661"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="1"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="2"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O26">
+ <dia:attribute name="obj_pos">
+ <dia:point val="1.12785,6.78245"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="1.12785,6.18839;1.12785,6.93338"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>##</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="sans" style="0" name="Helvetica"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80000000000000004"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="1.12785,6.78245"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="0"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="3"/>
+ </dia:attribute>
+ </dia:object>
+ <dia:object type="Standard - Text" version="1" id="O27">
+ <dia:attribute name="obj_pos">
+ <dia:point val="-2.69839,20.3449"/>
+ </dia:attribute>
+ <dia:attribute name="obj_bb">
+ <dia:rectangle val="-2.69839,19.6063;2.78411,20.5427"/>
+ </dia:attribute>
+ <dia:attribute name="text">
+ <dia:composite type="text">
+ <dia:attribute name="string">
+ <dia:string>#i2c_set_clientdata()#</dia:string>
+ </dia:attribute>
+ <dia:attribute name="font">
+ <dia:font family="Latin Modern Sans" style="0" name="Courier"/>
+ </dia:attribute>
+ <dia:attribute name="height">
+ <dia:real val="0.80009997997416349"/>
+ </dia:attribute>
+ <dia:attribute name="pos">
+ <dia:point val="-2.69839,20.3449"/>
+ </dia:attribute>
+ <dia:attribute name="color">
+ <dia:color val="#000000ff"/>
+ </dia:attribute>
+ <dia:attribute name="alignment">
+ <dia:enum val="0"/>
+ </dia:attribute>
+ </dia:composite>
+ </dia:attribute>
+ <dia:attribute name="valign">
+ <dia:enum val="3"/>
+ </dia:attribute>
+ </dia:object>
+ </dia:layer>
+</dia:diagram>
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