From patchwork Thu May 5 17:00:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sumeet Pawnikar X-Patchwork-Id: 570725 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54A49C433F5 for ; Thu, 5 May 2022 17:02:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344033AbiEERGc (ORCPT ); Thu, 5 May 2022 13:06:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238942AbiEERG2 (ORCPT ); Thu, 5 May 2022 13:06:28 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FB8B2AE; Thu, 5 May 2022 10:02:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651770168; x=1683306168; h=from:to:cc:subject:date:message-id; bh=iBIx4dif3zA1MnfTXgjhJYQX6/T/BHqzgCVF3qHd3U0=; b=McnK0390HTkmOd2oeek/w5OFZspBIB6fjt0RaccWiAP9C/SOXT+8W4+l o+CKlkKsXma5Ed0ge/vkabPbb6pCjnVRAwJt272MLDVi+DeFITv3EC+7o 58gSCr5EJ4Wa0Kwo8xCMR4Jfzl2ByxkcBryLyQ3msmJvynOdPDLR5INLe 79X62nxoUzg2QUHygZpqtN1P/g/3g/C2FU6EuJHvFzEL8df49kCjJKN3l Xov7PgEVWV17JvaLRiBxx5tjOfPyNYGDlctuOTvs8x0Y5dwAmCjSQO82g XZ2/tzAfuqtBqzdagWDjxDgW3E7LRl5LPFEhKp8NkgufZ72hPjxSdscHr Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="354620448" X-IronPort-AV: E=Sophos;i="5.91,201,1647327600"; d="scan'208";a="354620448" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 10:02:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,201,1647327600"; d="scan'208";a="585442467" Received: from srpawnik.iind.intel.com ([10.99.123.68]) by orsmga008.jf.intel.com with ESMTP; 05 May 2022 10:02:39 -0700 From: Sumeet Pawnikar To: rafael@kernel.org, lenb@kernel.org, srinivas.pandruvada@linux.intel.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: sumeet.r.pawnikar@intel.com Subject: [PATCH v2] ACPI: DPTF: Add support for high frequency impedance notification Date: Thu, 5 May 2022 22:30:19 +0530 Message-Id: <20220505170019.26047-1-sumeet.r.pawnikar@intel.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Add high frequency impedance notification support under DPTF. This returns high frequency impedance value that can be obtained from battery fuel gauge whenever there is change over a threshold. Also, corrected the typo from IMPEDANCED_CHNGED to IMPEDANCE_CHANGED. Signed-off-by: Sumeet Pawnikar --- v1-->v2 : Addressed review comment recevied from Srinivas Pandruvada to add corrected the spelling from IMPEDANCED_CHNGED to IMPEDANCE_CHANGED under commit message. --- drivers/acpi/dptf/dptf_power.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index dc1f52a5b3f4..2ef53ca88714 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -117,7 +117,7 @@ static const struct attribute_group dptf_battery_attribute_group = { #define POWER_STATE_CHANGED 0x81 #define STEADY_STATE_POWER_CHANGED 0x83 #define POWER_PROP_CHANGE_EVENT 0x84 -#define IMPEDANCED_CHNGED 0x85 +#define IMPEDANCE_CHANGED 0x85 #define VOLTAGE_CURRENT_CHANGED 0x86 static long long dptf_participant_type(acpi_handle handle) @@ -150,6 +150,9 @@ static void dptf_power_notify(acpi_handle handle, u32 event, void *data) case STEADY_STATE_POWER_CHANGED: attr = "max_steady_state_power_mw"; break; + case IMPEDANCE_CHANGED: + attr = "high_freq_impedance_mohm"; + break; case VOLTAGE_CURRENT_CHANGED: attr = "no_load_voltage_mv"; break;