From c67957464e1e4934588d2672ef6189f5d790fb67 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Barnab=C3=A1s=20P=C5=91cze?= Date: Wed, 3 Feb 2021 21:57:01 +0000 Subject: [PATCH] platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20210203215403.290792-26-pobrn@protonmail.com Signed-off-by: Hans de Goede --- drivers/platform/x86/ideapad-laptop.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 90fb071..18f920c 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(¶m, 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"); } } -- 2.7.4