From patchwork Wed Dec 11 17:44:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 849617 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 778DB17C9E8 for ; Wed, 11 Dec 2024 17:45:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733939112; cv=none; b=uc61rfzKkv630QQFBCQ5rgAxtLaSyhpMSXwgs6t2b+SwKeWccIeCOeRHB3V7LDYoQ7qix46Sfj+z8YfOPPcRPU1LT4ZEZbq/eablqQrpp1gI/7pT1hFfpJW5bcDw5/zOxt58ko9U6VvB3KzGLjiegweRuZ1vTUJdv1K1HE2sVJQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733939112; c=relaxed/simple; bh=ogfxiy5/1Ml4bliRo9psQ8ACtIEK3Ryx3cq5+ibFHA4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=iR7PAr4J9ncHlhysJuGcpKyIY3+9ZU+fMbHZiafmi8GXb0chQUy+xHrMzRjAG+8YOPs+UlKKCbELXQJMsgV7huPdjiS1gZmqnlXijfNiayXL7Qabh0LzLeWgZtReAA/RsFSRGPCBv0pLrq0iBpUAiHu45bpGq6rjia50kGSBI+A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=YAgZmhTq; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YAgZmhTq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733939109; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=NZRdxMMj0qoD4phpqiew3gmZ33v7YOvxkGD414PQfOw=; b=YAgZmhTqbV5R0C4Gk2/1uhA4nNBpEUkcE0Qg30NQQr7LkFm+C3BSa9iM9mYk/y4CeFkOA7 unj9AS+JBqInW5LA5FyIg+XJWhroBUhmO2sGYM72ItnWISHrovJLPtk9F2P52qRDo+hsPR bMZO7IqJCdpotDBmdog7a3y+SnQGiVI= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-262-i0lyNwaINHOQt0w0TIhXWQ-1; Wed, 11 Dec 2024 12:45:06 -0500 X-MC-Unique: i0lyNwaINHOQt0w0TIhXWQ-1 X-Mimecast-MFC-AGG-ID: i0lyNwaINHOQt0w0TIhXWQ Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A5C411955D4B; Wed, 11 Dec 2024 17:45:03 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.61]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8211B1956048; Wed, 11 Dec 2024 17:45:00 +0000 (UTC) From: Hans de Goede To: =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= , Sebastian Reichel Cc: Hans de Goede , Jelle van der Waa , platform-driver-x86@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v4 0/4] power: supply: Add new "charge_types" property Date: Wed, 11 Dec 2024 18:44:47 +0100 Message-ID: <20241211174451.355421-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Hi, As first discussed here: https://lore.kernel.org/linux-pm/49993a42-aa91-46bf-acef-4a089db4c2db@redhat.com/ Some power_supply devices have a writable charge_type property, but userspace cannot know which charge_type values are valid to write. This series adds a new "charge_types" property, which is identical to "charge_type" but reading returns a list of supported charge-types with the currently active type surrounded by square brackets, e.g.: Fast [Standard] Long_Life this allows userspace to find out which charge-types are supported. Patch 1/4 does some prep work and patch 2/4 is the core implementation of "charge_types" property support. Patch 3/4 is a standard psy-driver user of the new "charge_types" property support. Patch 4/4 shows an ACPI battery extension driver with support for this property using the new show()/store() helpers. Changes in v4: - Rebase on top of latest sre/linux-power-supply.git/for-next - Only print current value in uevent using new uevent flag passed to power_supply_format_property() - Put new POWER_SUPPLY_PROP_CHARGE_TYPES enum power_supply_property entry directly after the existing POWER_SUPPLY_PROP_CHARGE_TYPE entry Changes in v3: - Rebase on top of v6.13-rc1 Changes in v2: - Replace spaces with '_' instead of surrounding the text-value by "" - Add "Check charge_types to get the values supported by the battery." to Documentation/ABI/testing/sysfs-class-power - Add a note about labels with spaces having these replaced by '_' in charge_types output to Documentation/ABI/testing/sysfs-class-power - Use power_supply_match_string() in power_supply_charge_types_parse() Regards, Hans Hans de Goede (4): power: supply: power_supply_show_enum_with_available(): Replace spaces with '_' power: supply: core: Add new "charge_types" property power: supply: bq24190_charger: Add support for "charge_types" property platform/x86: dell-laptop: Use power_supply_charge_types_show/_parse() helpers Documentation/ABI/testing/sysfs-class-power | 20 ++++++ drivers/platform/x86/dell/dell-laptop.c | 54 +++++++-------- drivers/power/supply/bq24190_charger.c | 7 ++ drivers/power/supply/power_supply_sysfs.c | 73 +++++++++++++++++++-- include/linux/power_supply.h | 23 ++++++- 5 files changed, 143 insertions(+), 34 deletions(-)