linux-kernel - [PATCH] HID: i2c-hid: Report wakeup events

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Date:   Tue,  2 Nov 2021 11:40:25 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        Hans de Goede <hdegoede@...hat.com>,
        Jim Broadus <jbroadus@...il.com>,
        Johnny Chuang <johnny.chuang.emc@...il.com>,
        Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH] HID: i2c-hid: Report wakeup events

The i2c-hid driver generally supports wakeup, bit it currently
doesn't report wakeup events to the PM subsystem. Change that.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---

 drivers/hid/i2c-hid/i2c-hid-core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 517141138b00..68d9a089e3e8 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -522,9 +522,12 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
 
 	i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf);
 
-	if (test_bit(I2C_HID_STARTED, &ihid->flags))
+	if (test_bit(I2C_HID_STARTED, &ihid->flags)) {
+		pm_wakeup_event(&ihid->client->dev, 0);
+
 		hid_input_report(ihid->hid, HID_INPUT_REPORT, ihid->inbuf + 2,
 				ret_size - 2, 1);
+	}
 
 	return;
 }
-- 
2.33.1.1089.g2158813163f-goog