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9941ba4baedapm_widget_set_power() (= X) is called only from
dapm_power_one_widget() (= Y), and total purpose of these functions are
calling dapm_seq_insert() (= a) accordingly for each widget.
(X) static void dapm_widget_set_power(...)
{
...
if (power)
(a) dapm_seq_insert(w, up_list, true);
else
(a) dapm_seq_insert(w, down_list, false);
}
(Y) static void dapm_power_one_widget(...)
{
..
switch (w->id) {
case snd_soc_dapm_pre:
(a) dapm_seq_insert(w, down_list, false);
break;
case snd_soc_dapm_post:
(a) dapm_seq_insert(w, up_list, true);
break;
default:
power = dapm_widget_power_check(w);
(X) dapm_widget_set_power(w, power, up_list, down_list);
break;
}
}
It should be more simple, but the code is unnecessarily complicated,
and difficult to read/understand. This patch merge these into one.
Link: https://lore.kernel.org/all/87tu42owdd.wl-kuninori.morimoto.gx@renesas.com/
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/8735bktzrx.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.