linux-kernel - [PATCH v2 1/4] platform/x86: thinkpad_acpi: simplify known

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Date: Wed, 17 Apr 2024 13:31:06 -0400
From: Mark Pearson <mpearson-lenovo@...ebb.ca>
To: mpearson-lenovo@...ebb.ca
Cc: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	hmh@....eng.br,
	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	njoshi1@...ovo.com,
	vsankar@...ovo.com,
	peter.hutterer@...hat.com
Subject: [PATCH v2 1/4] platform/x86: thinkpad_acpi: simplify known_ev handling

Modify how known_ev event is handled in preparation for adding new keycode
range.

Signed-off-by: Mark Pearson <mpearson-lenovo@...ebb.ca>
---
Changes in v2: 
 - New addition to series based on recommendations from review.
 - Note previous input patch was dropped so in numbering gets replaced by this.

 drivers/platform/x86/thinkpad_acpi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 82429e59999d..3b48d893280f 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -4026,6 +4026,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 
 		send_acpi_ev = true;
 		ignore_acpi_ev = false;
+		known_ev = false;
 
 		switch (hkey >> 12) {
 		case 1:
@@ -4051,8 +4052,6 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 				/* FIXME: kick libata if SATA link offline */
 				known_ev = true;
 				break;
-			default:
-				known_ev = false;
 			}
 			break;
 		case 4:
@@ -4078,11 +4077,8 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 				tpacpi_send_radiosw_update();
 				send_acpi_ev = 0;
 				known_ev = true;
-				break;
 			}
-			fallthrough;	/* to default */
-		default:
-			known_ev = false;
+			break;
 		}
 		if (!known_ev) {
 			pr_notice("unhandled HKEY event 0x%04x\n", hkey);
-- 
2.44.0