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platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs 

Consumers can determine if the value of an attribute changed much more
easily if changes are broadcast using sysfs_notify(), so utilize it.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-26-pobrn@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Barnabás Pőcze 2021-02-03 21:57:01 +00:00 committed by Hans de Goede
parent 65c7713a50
commit c67957464e
1 changed files with 1 additions and 0 deletions
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1
drivers/platform/x86/ideapad-laptop.c
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@ -1221,6 +1221,7 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
*/
i8042_command(&param, value ? I8042_CMD_AUX_ENABLE : I8042_CMD_AUX_DISABLE);
ideapad_input_report(priv, value ? 67 : 66);
sysfs_notify(&priv->platform_device->dev.kobj, NULL, "touchpad");
}
}