From nobody Tue Apr 7 05:46:29 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6D471192D97; Sun, 15 Mar 2026 19:40:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773603618; cv=none; b=SrRuIIfS36/dj2KJPruTui077NvJ/ek9QeCX/wBzyaupP+i79cFrcdHnVmL89/BZIFqPm4/o6A0aMaO0dcp+Y1tUaQgwAFSC5khRK4IT/cp+q979uv3l/3xutBSsfWbLyS02TzJHEyRimRgND8z5TYuAxIZoh0SnaGoiOWoVm7c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773603618; c=relaxed/simple; bh=fesAHPKNbUs9hVBXGq+5vFg6Af/I3x1FzOPH/+s5Nh8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=k/A0cK1nN/UuHt7ZJnSpvIoj/iJULmHmhvO4wfTb3oA/N0ztFi087TDhDBAlvsg1UGCvcfjw9c1s9ji6ybR+3hgnYz92DRsSfKQE9mG4Ke+vbCvwO5S+kxm9CUUNRwvRGuF0sHpaGfg5o8Ua6gsWrVKQs2jN0WbqX+iIZC+AtoM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=svMSw9i7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="svMSw9i7" Received: by smtp.kernel.org (Postfix) with ESMTPS id 13477C4CEF7; Sun, 15 Mar 2026 19:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773603618; bh=fesAHPKNbUs9hVBXGq+5vFg6Af/I3x1FzOPH/+s5Nh8=; h=From:Date:Subject:To:Cc:Reply-To:From; b=svMSw9i7qXnati9XP9eIfXCZBkyysXiqlc2aSS0oWQW+dea6yENARFfqa3jwjCq59 41stdRjDrQJm/pL90PLqSd/7wOBWpEOqIldK58YAus2mZPfEfFT0xw+CPUtg3BBkSb XHpuYyWOs0eZKJ5zmmvGHmqLMZ5QFKWEcrn8QG/ApRZfzfiHELh38kaXKYT+TTPRPL cweIQbUSMJUktt5oaQXcNQ4bgPghgeVya0ZdMJBmlQ1bI9gs8HMfNLsLHzyDE4hs3y FKnKVdNrzVA/xQ0W5+oEPKWmROdihEiaGTLu38pR4+5hQVFz62apZm4aSQDx6zTvw2 OWFraqqG+d7kg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C35FF30282; Sun, 15 Mar 2026 19:40:18 +0000 (UTC) From: David Heidelberg via B4 Relay Date: Sun, 15 Mar 2026 20:40:16 +0100 Subject: [PATCH] power: supply: qcom_smbx: allow disabling charging Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260315-smb2-cherry-pick-v1-1-b2710e470490@ixit.cz> X-B4-Tracking: v=1; b=H4sIAB8Lt2kC/x3MSQqAMAxA0atI1gZqHBZeRVzYNtogDqQgivTuF pdv8f8LkVU4Ql+8oHxJlGPPqMoCXJj2hVF8NpChztRVi3GzhC6w6oOnuBUb65i8p9lbhpydyrP c/3IYU/oAQZYYgmIAAAA= X-Change-ID: 20260315-smb2-cherry-pick-4bce2dd2fdbe To: Casey Connolly , Sebastian Reichel , Konrad Dybcio , David Heidelberg Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1907; i=david@ixit.cz; h=from:subject:message-id; bh=4AjGJKwbJXe+JB86/acJqUuqP6FV9Wr+oAVrVaq0fiI=; b=owEBbQKS/ZANAwAIAWACP8TTSSByAcsmYgBptwshPIdiXezEZzCVg9hmuCN0irJHRc9S1JKO8 J7d6Gt30iWJAjMEAAEIAB0WIQTXegnP7twrvVOnBHRgAj/E00kgcgUCabcLIQAKCRBgAj/E00kg cj0OD/wNTfuFuEMJsk5ORkTHCYwFuvW/caJm+clwHiwTJyjDjmOFg31ilRGxWEil0ZymBh9WiC2 S1t0ydvEC9JVrHIrXC5CsJCuugFxuRDGmPlWagNhYQgHtkz65H9jFgbtCQLkc7OpN8bBcAzGn1+ +tFiNt7MbutiIn1ZZ/WeZCm4U3k+Jbo2tvYHLZqjBsrBRJNh4mbYKK0l99r/29lQOvX7lpoGtTh kgW5KDEWIl0FCqodmmTI6ELsLPekaDZX+mZuFlqYkturHE3C2L6xfktdHRdN+0WbDDr4ylYA49U gCXHEygE6VNwPn2bsZtEJD8+/1+RUDXEjts3HGz+W2Jcr+TKHeOhI935PKZYpV70gCJpw13S7K3 NnVlQoqpJR0lTKdNtHwDP0g9YqrOItx6mZTzL95DatWTsj+8IF1Qvc5151XNcjhvImxUjBm/6Kz boxeSXnVIFoT3/RinblE3YgqcYFV7E+9OwKGIdLU4Em8oc6fnEJ0EgcPxgUVizK9pxDBXQHOlRt 7+EKR6Pvq7R0dBIrjP6Mmr2tIsdCydkbU+aAPI/kgZIYouzftHI+s+yykxqRuV2727IcosT7zl8 bOk99aY7D8ml21Mxm4q4CbmJOpKBtglkLvCcExsTP78bL41b+mj1J3rWirAKeNxaeJZsexi3nJB 6cKB3OZJohwWO4A== X-Developer-Key: i=david@ixit.cz; a=openpgp; fpr=D77A09CFEEDC2BBD53A7047460023FC4D3492072 X-Endpoint-Received: by B4 Relay for david@ixit.cz/default with auth_id=355 X-Original-From: David Heidelberg Reply-To: david@ixit.cz From: Casey Connolly Hook up USBIN_CMD_IL so that writing "0" to the status register will disable charging, this is useful to let users limit charging automatically. Signed-off-by: Casey Connolly Reviewed-by: Konrad Dybcio Signed-off-by: David Heidelberg --- [David] - adapted from: https://lore.kernel.org/all/20250619-smb2-smb5-support-v1-5-ac5dec51b6e1@l= inaro.org/ - moved USBIN defines into the right place inside this patch --- drivers/power/supply/qcom_smbx.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/power/supply/qcom_smbx.c b/drivers/power/supply/qcom_s= mbx.c index b1cb925581ec6..bf2e2ccc454a6 100644 --- a/drivers/power/supply/qcom_smbx.c +++ b/drivers/power/supply/qcom_smbx.c @@ -134,6 +134,9 @@ #define OCP_CHARGER_BIT BIT(1) #define SDP_CHARGER_BIT BIT(0) =20 +#define USBIN_CMD_IL 0x340 +#define USBIN_SUSPEND_BIT BIT(0) + #define TYPE_C_STATUS_1 0x30B #define UFP_TYPEC_MASK GENMASK(7, 5) #define UFP_TYPEC_RDSTD_BIT BIT(7) @@ -693,6 +696,9 @@ static int smb_set_property(struct power_supply *psy, struct smb_chip *chip =3D power_supply_get_drvdata(psy); =20 switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + return regmap_update_bits(chip->regmap, chip->base + USBIN_CMD_IL, + USBIN_SUSPEND_BIT, !val->intval); case POWER_SUPPLY_PROP_CURRENT_MAX: return smb_set_current_limit(chip, val->intval); default: @@ -705,6 +711,7 @@ static int smb_property_is_writable(struct power_supply= *psy, enum power_supply_property psp) { switch (psp) { + case POWER_SUPPLY_PROP_STATUS: case POWER_SUPPLY_PROP_CURRENT_MAX: return 1; default: --- base-commit: b84a0ebe421ca56995ff78b66307667b62b3a900 change-id: 20260315-smb2-cherry-pick-4bce2dd2fdbe Best regards, --=20 David Heidelberg