From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754416AbeDBS1b (ORCPT ); Mon, 2 Apr 2018 14:27:31 -0400 Received: from s18231873.onlinehome-server.info ([217.160.179.168]:33540 "EHLO godking.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231AbeDBS1a (ORCPT ); Mon, 2 Apr 2018 14:27:30 -0400 From: Alexander Kappner To: ibm-acpi@hmh.eng.br, dvhart@infradead.org, andy@infradead.org Cc: ibm-acpi-devel@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Kappner Subject: [PATCH] Add Second Fan Support for Thinkpad P50 Date: Mon, 2 Apr 2018 11:27:01 -0700 Message-Id: <1522693621-3124-1-git-send-email-agk@godking.net> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Thinkpad P50 has 2 fans. Add the 2FAN quirk so the tpacpi driver properly reports both fan speeds. Because the P50 doesn't report the version of its EC controller, we need to identify it by BIOS version (N1). Signed-off-by: Alexander Kappner --- drivers/platform/x86/thinkpad_acpi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index d5eaf3b1..ebdc300 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8699,16 +8699,24 @@ static const struct attribute_group fan_attr_group = { .ec = TPID(__id1, __id2), \ .quirks = __quirks } +#define TPACPI_FAN_QL_BIOS(__id1, __id2, __quirks) \ + { .vendor = PCI_VENDOR_ID_LENOVO, \ + .bios = TPID(__id1, __id2), \ + .ec = TPACPI_MATCH_ANY, \ + .quirks = __quirks } + static const struct tpacpi_quirk fan_quirk_table[] __initconst = { TPACPI_FAN_QI('1', 'Y', TPACPI_FAN_Q1), TPACPI_FAN_QI('7', '8', TPACPI_FAN_Q1), TPACPI_FAN_QI('7', '6', TPACPI_FAN_Q1), TPACPI_FAN_QI('7', '0', TPACPI_FAN_Q1), TPACPI_FAN_QL('7', 'M', TPACPI_FAN_2FAN), + TPACPI_FAN_QL_BIOS('N', '1', TPACPI_FAN_2FAN) // Thinkpad P50 has 2 fans }; #undef TPACPI_FAN_QL #undef TPACPI_FAN_QI +#undef TPACPI_FAN_QL_BIOS static int __init fan_init(struct ibm_init_struct *iibm) { -- 2.1.4