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authorBarnabás Pőcze <pobrn@protonmail.com>2021-02-04 00:57:01 +0300
committerHans de Goede <hdegoede@redhat.com>2021-02-04 12:21:36 +0300
commitc67957464e1e4934588d2672ef6189f5d790fb67 (patch)
tree62968871e454d72c8b78fc2caf03721580c0976d /drivers/platform
parent65c7713a5079278eee3146092fc4df2627b42604 (diff)
downloadlinux-c67957464e1e4934588d2672ef6189f5d790fb67.tar.xz
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/ideapad-laptop.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 90fb071ccbc0..18f920c29809 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -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");
}
}