linux-kernel - [PATCH 05/11] HID: input: allow mapping of haptic output

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Message-ID: <20250714-support-forcepads-v1-5-71c7c05748c9@google.com>
Date: Mon, 14 Jul 2025 15:09:38 +0000
From: Jonathan Denose <jdenose@...gle.com>
To: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>, 
	Dmitry Torokhov <dmitry.torokhov@...il.com>, Jonathan Corbet <corbet@....net>, 
	Henrik Rydberg <rydberg@...math.org>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-doc@...r.kernel.org, Angela Czubak <aczubak@...gle.com>, 
	"Sean O'Brien" <seobrien@...gle.com>, Jonathan Denose <jdenose@...gle.com>
Subject: [PATCH 05/11] HID: input: allow mapping of haptic output

From: Angela Czubak <aczubak@...gle.com>

This change makes it possible to parse output reports by input mapping
functions by HID drivers.

Signed-off-by: Angela Czubak <aczubak@...gle.com>
Co-developed-by: Jonathan Denose <jdenose@...gle.com>
Signed-off-by: Jonathan Denose <jdenose@...gle.com>
---
 drivers/hid/hid-input.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 9d80635a91ebd8d8bdafaac07b5f85693b179cb4..d42c1fbd20a1cc01c04f93cf10f1d1c18043929c 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -682,9 +682,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 	if (field->report_count < 1)
 		goto ignore;
 
-	/* only LED usages are supported in output fields */
+	/* only LED and HAPTIC usages are supported in output fields */
 	if (field->report_type == HID_OUTPUT_REPORT &&
-			(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
+	    (usage->hid & HID_USAGE_PAGE) != HID_UP_LED &&
+	    (usage->hid & HID_USAGE_PAGE) != HID_UP_HAPTIC) {
 		goto ignore;
 	}
 

-- 
2.50.0.727.gbf7dc18ff4-goog