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bh=JA/KRWB1iWsUGT53W2XAqwsBspnF3Fn6EQ5RKr36NmY=; b=eb5NZg+LYnEn7CKFrX9FI+Zg55awTvJYagQwm9tGhfpexOAk9we8/jMw 3H9G/jiGShw2znpt6c+0uThoh9Hv2gFt5Myk8r+WgUCiKQGfGBGc41izP okfRlvKMoCVUxclM9vEq2UImSPLLMhQwuLRl6GX80cFuPzG2H2V8cJ5ZR u8B4QTKsUJ9ZaqbCl8vPUB7L4ZExEBFcbOyc0+C07YlVzZcKaz8pGvKqL 2m0cVtfdhNyY3/F1SSYDdgGmPtEm07ojn4oV6Ygf9lYA0W2/0EdwrR8Tx O3lg0PVgK0AElJvxGP8jOqPpY9bfKZbfReEcEc6MKMrzDTCJ7ktPKaJB9 g==; X-IronPort-AV: E=McAfee;i="6600,9927,11016"; a="5403765" X-IronPort-AV: E=Sophos;i="6.07,134,1708416000"; d="scan'208";a="5403765" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2024 04:54:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,134,1708416000"; d="scan'208";a="13831209" Received: from ijarvine-desk1.ger.corp.intel.com (HELO localhost) ([10.245.247.11]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2024 04:53:59 -0700 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 18 Mar 2024 13:53:53 +0200 (EET) To: Nikita Travkin cc: Hans de Goede , Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , cros-qcom-dts-watchers@chromium.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Bryan O'Donoghue , devicetree@vger.kernel.org, LKML , linux-arm-msm@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: Re: [PATCH v5 3/4] platform: arm64: Add Acer Aspire 1 embedded controller driver In-Reply-To: <20240315-aspire1-ec-v5-3-f93381deff39@trvn.ru> Message-ID: References: <20240315-aspire1-ec-v5-0-f93381deff39@trvn.ru> <20240315-aspire1-ec-v5-3-f93381deff39@trvn.ru> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/mixed; BOUNDARY="8323328-685438645-1710762824=:1041" Content-ID: <8d9d18f0-5a11-8f08-3681-a84e27267c21@linux.intel.com> This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323328-685438645-1710762824=:1041 Content-Type: text/plain; CHARSET=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Content-ID: <64e59465-3e35-8c82-5b41-6fd74dbb49db@linux.intel.com> On Fri, 15 Mar 2024, Nikita Travkin wrote: > Acer Aspire 1 is a Snapdragon 7c based laptop. It uses an embedded > controller to perform a set of various functions, such as: >=20 > - Battery and charger monitoring; > - Keyboard layout control (i.e. fn_lock settings); > - USB Type-C DP alt mode HPD notifications; > - Laptop lid status. >=20 > Unfortunately, while all this functionality is implemented in ACPI, it's > currently not possible to use ACPI to boot Linux on such Qualcomm > devices. To allow Linux to still support the features provided by EC, > this driver reimplments the relevant ACPI parts. This allows us to boot > the laptop with Device Tree and retain all the features. >=20 > Reviewed-by: Bryan O'Donoghue > Signed-off-by: Nikita Travkin Reviewed-by: Ilpo J=E4rvinen --=20 i. --8323328-685438645-1710762824=:1041--