From patchwork Mon May 8 07:09:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Astrid Rost X-Patchwork-Id: 13234148 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 3B6BCC77B75 for ; Mon, 8 May 2023 07:10:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233287AbjEHHKQ (ORCPT ); Mon, 8 May 2023 03:10:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233428AbjEHHJ5 (ORCPT ); Mon, 8 May 2023 03:09:57 -0400 Received: from smtp2.axis.com (smtp2.axis.com [195.60.68.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 262601AEF4; Mon, 8 May 2023 00:09:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1683529781; x=1715065781; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2V+NUhnYRzHcs/qPV372ooVdqlg/MRqyc6ldidCg9bY=; b=DIZct6ncsTbjR4096+pVaYccmSB9epzRem86o3mB2lJTEHhNWiK4dJQL r42DLb/tRgRntj/24e/cR8/gP95JuKyzZWW4Y0HmiriAwkjX27iX+IFvd WnLe9nCeGrWLuhZbJFN2whTcj3yIDDdK5jQbH7X9cdMIWZcIgG3rpw+aJ eyNa2HH00SN9yQ73z6bbnWwRHiy7Ei5asQcpMX1753qbkvbCAaVDKh/JJ jU0XV54SdkVo4hH5BfN2bpZYIcXPb/vfIoCeyt/ONx5uETqZSmCcUAEpy +FeVA8OUSavXWtz22oEChsrns8yFFNShsGk0sTmcVi9SC4FQg9yAvZsqb g==; From: Astrid Rost To: Jonathan Cameron CC: , Astrid Rost , Astrid Rost , Lars-Peter Clausen , , Subject: [PATCH v1 1/7] iio: light: vcnl4000: Add proximity irq for vcnl4200 Date: Mon, 8 May 2023 09:09:19 +0200 Message-ID: <20230508070925.2123265-2-astrid.rost@axis.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230508070925.2123265-1-astrid.rost@axis.com> References: <20230508070925.2123265-1-astrid.rost@axis.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add proximity interrupt support for vcnl4200 (similar to vcnl4040). Add support to configure proximity sensor interrupts and threshold limits. If an interrupt is detected an event will be pushed to the event interface. Signed-off-by: Astrid Rost --- drivers/iio/light/vcnl4000.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 56d3963d3d66..13568454baff 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -65,6 +65,7 @@ #define VCNL4200_PS_DATA 0x08 /* Proximity data */ #define VCNL4200_AL_DATA 0x09 /* Ambient light data */ #define VCNL4040_INT_FLAGS 0x0b /* Interrupt register */ +#define VCNL4200_INT_FLAGS 0x0d /* Interrupt register */ #define VCNL4200_DEV_ID 0x0e /* Device ID, slave address and version */ #define VCNL4040_DEV_ID 0x0c /* Device ID and version */ @@ -1004,8 +1005,14 @@ static irqreturn_t vcnl4040_irq_thread(int irq, void *p) struct iio_dev *indio_dev = p; struct vcnl4000_data *data = iio_priv(indio_dev); int ret; + int reg; - ret = i2c_smbus_read_word_data(data->client, VCNL4040_INT_FLAGS); + if (data->id == VCNL4200) + reg = VCNL4200_INT_FLAGS; + else + reg = VCNL4040_INT_FLAGS; + + ret = i2c_smbus_read_word_data(data->client, reg); if (ret < 0) return IRQ_HANDLED; @@ -1321,9 +1328,10 @@ static const struct vcnl4000_chip_spec vcnl4000_chip_spec_cfg[] = { .measure_light = vcnl4200_measure_light, .measure_proximity = vcnl4200_measure_proximity, .set_power_state = vcnl4200_set_power_state, - .channels = vcnl4000_channels, + .channels = vcnl4040_channels, .num_channels = ARRAY_SIZE(vcnl4000_channels), - .info = &vcnl4000_info, + .info = &vcnl4040_info, + .irq_thread = vcnl4040_irq_thread, }, };