From patchwork Sat Dec 21 12:51:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 853382 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 7F9FF1F2C3E for ; Sat, 21 Dec 2024 12:51:53 +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=1734785515; cv=none; b=jcl3GKO++BFdN0aL/J8bL1VpYjuATdr63Cdy2BBACl3hiVB8FeUCblV30v0gpXMBMIA0gH52Ax5kWckmjkrfb5heKMpOVhjS8cnyMAj781NjbJt+nJgyVV6Tw/pkISiiKgLdoccCiXs7jo5L4PdEmVNROyRnxWJy7oSZ8h73ZPA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734785515; c=relaxed/simple; bh=TpRq31bbDKM+E/ruSCBS9GhhNyJukeJ0XXaFE4hvS7g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=nNTEz7fJMafANcwohMjbxkDpKM+0oPQSENVmzEFsXJV8yO5Zvv2WQ44npasoQe30mmZLJEZfQbM5EGpU+HWh8EIIseO7ctnqLgf/lfBB87kGu4JKeoewqkEksjbohQ3+lV+cfmaB9PFZ/r+fBNcslg8/DG2HeC0Ld82CrXjOqmc= 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=RoPLfvIq; 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="RoPLfvIq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1734785512; 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: in-reply-to:in-reply-to:references:references; bh=04Pmas301IFxFVgMh1JoH+9P3L/9Jh1+DChgIS7PTrQ=; b=RoPLfvIqgJCBuwnRaPFtGhhWcKtfBFPjFyQKRxqsy7jIrMwcMXKev7Bfyf2yJJauhTKZUi qW64jPtdAYLYRYED4NDp4ujVyLwJf4wq4ItKi9MrJc6u5tylzLmoVrNv6QMe+5mSMr/URE xlHy067c3dw4BkQsphxQ7VFu1aL/vPA= Received: from mx-prod-mc-02.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-654-DvZnE2NpP2OZLWUW5y7W7Q-1; Sat, 21 Dec 2024 07:51:49 -0500 X-MC-Unique: DvZnE2NpP2OZLWUW5y7W7Q-1 X-Mimecast-MFC-AGG-ID: DvZnE2NpP2OZLWUW5y7W7Q Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2CA9D1956086; Sat, 21 Dec 2024 12:51:47 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.23]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 932FC1953953; Sat, 21 Dec 2024 12:51:44 +0000 (UTC) From: Hans de Goede To: =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko , Sebastian Reichel Cc: Hans de Goede , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= , platform-driver-x86@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v5 1/1] platform/x86: dell-laptop: Use power_supply_charge_types_show/_parse() helpers Date: Sat, 21 Dec 2024 13:51:40 +0100 Message-ID: <20241221125140.345776-2-hdegoede@redhat.com> In-Reply-To: <20241221125140.345776-1-hdegoede@redhat.com> References: <20241221125140.345776-1-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 10.30.177.12 Make battery_modes a map between tokens and enum power_supply_charge_type values instead of between tokens and strings and use the new power_supply_charge_types_show/_parse() helpers for show()/store() to ensure that things are handled in the same way as in other drivers. This also changes battery_supported_modes to be a bitmap of charge-types (enum power_supply_charge_type values) rather then a bitmap of indices into battery_modes[]. Reviewed-by: Thomas Weißschuh Signed-off-by: Hans de Goede --- Changes in v5: - Return ENOENT instead of EIO in charge_types_store() when the requested mode was accepted by power_supply_charge_types_parse() but for some reason is not found in the battery_modes[] array --- drivers/platform/x86/dell/dell-laptop.c | 54 ++++++++++++------------- 1 file changed, 25 insertions(+), 29 deletions(-) diff --git a/drivers/platform/x86/dell/dell-laptop.c b/drivers/platform/x86/dell/dell-laptop.c index 5671bd0deee7..e6da468daf83 100644 --- a/drivers/platform/x86/dell/dell-laptop.c +++ b/drivers/platform/x86/dell/dell-laptop.c @@ -103,15 +103,15 @@ static bool mute_led_registered; struct battery_mode_info { int token; - const char *label; + enum power_supply_charge_type charge_type; }; static const struct battery_mode_info battery_modes[] = { - { BAT_PRI_AC_MODE_TOKEN, "Trickle" }, - { BAT_EXPRESS_MODE_TOKEN, "Fast" }, - { BAT_STANDARD_MODE_TOKEN, "Standard" }, - { BAT_ADAPTIVE_MODE_TOKEN, "Adaptive" }, - { BAT_CUSTOM_MODE_TOKEN, "Custom" }, + { BAT_PRI_AC_MODE_TOKEN, POWER_SUPPLY_CHARGE_TYPE_TRICKLE }, + { BAT_EXPRESS_MODE_TOKEN, POWER_SUPPLY_CHARGE_TYPE_FAST }, + { BAT_STANDARD_MODE_TOKEN, POWER_SUPPLY_CHARGE_TYPE_STANDARD }, + { BAT_ADAPTIVE_MODE_TOKEN, POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE }, + { BAT_CUSTOM_MODE_TOKEN, POWER_SUPPLY_CHARGE_TYPE_CUSTOM }, }; static u32 battery_supported_modes; @@ -2261,46 +2261,42 @@ static ssize_t charge_types_show(struct device *dev, struct device_attribute *attr, char *buf) { - ssize_t count = 0; + enum power_supply_charge_type charge_type; int i; for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { - bool active; + charge_type = battery_modes[i].charge_type; - if (!(battery_supported_modes & BIT(i))) + if (!(battery_supported_modes & BIT(charge_type))) continue; - active = dell_battery_mode_is_active(battery_modes[i].token); - count += sysfs_emit_at(buf, count, active ? "[%s] " : "%s ", - battery_modes[i].label); + if (!dell_battery_mode_is_active(battery_modes[i].token)) + continue; + + return power_supply_charge_types_show(dev, battery_supported_modes, + charge_type, buf); } - /* convert the last space to a newline */ - if (count > 0) - count--; - count += sysfs_emit_at(buf, count, "\n"); - - return count; + /* No active mode found */ + return -EIO; } static ssize_t charge_types_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { - bool matched = false; - int err, i; + int charge_type, err, i; + + charge_type = power_supply_charge_types_parse(battery_supported_modes, buf); + if (charge_type < 0) + return charge_type; for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { - if (!(battery_supported_modes & BIT(i))) - continue; - - if (sysfs_streq(battery_modes[i].label, buf)) { - matched = true; + if (battery_modes[i].charge_type == charge_type) break; - } } - if (!matched) - return -EINVAL; + if (i == ARRAY_SIZE(battery_modes)) + return -ENOENT; err = dell_battery_set_mode(battery_modes[i].token); if (err) @@ -2430,7 +2426,7 @@ static u32 __init battery_get_supported_modes(void) for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { if (dell_smbios_find_token(battery_modes[i].token)) - modes |= BIT(i); + modes |= BIT(battery_modes[i].charge_type); } return modes;