From patchwork Mon Feb 5 18:59:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: srinivas pandruvada X-Patchwork-Id: 13546062 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 41531482DB; Mon, 5 Feb 2024 18:59:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707159572; cv=none; b=aXxK94eRqVCjrY1C+fyhBe7iZymPyvRc3b85t6tUZi2GsJtlcPbPwxyq3KR+9KSkCANVR5MmX1Wq8PJEYhX4VsRSiU81gRL+HQMIawLuvSVqg2jp0ZkKMc+pMYqEYRmrScGFuaD4BiOstxVDYSOYlU7ZK59h+kpd+ENcB/7965s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707159572; c=relaxed/simple; bh=cB5gQgDrAgQIpJclgZYRkO9vSJtOG3M66a2Hh0BO8pY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Ab2BcOFKc6LCcoknKSeGmCf4p1jd8ru+UEk6II5TpDOxbyVpEaS7WChfuNBkE+iV78ql66nmV5FAHohb1NGSwwJzckKESNGJSkkkssWDhzCR2LmdeXaltWyUV5UcQoFf6fTkzEvgAECRTCoKwuPydsDgxLlyHoNqDU3ua7LRDzk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=e2f+sgUH; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="e2f+sgUH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707159571; x=1738695571; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cB5gQgDrAgQIpJclgZYRkO9vSJtOG3M66a2Hh0BO8pY=; b=e2f+sgUHBD7e+VPYorD84jpPGmek6So5xlMzz8VvA2JQH5smUFFi8VpR AC1ckAPHQ01aY4JaiHA9YLE+Nji7P4OTEsexfH6ZivdMEAtq6hYv7JpN2 3qDp/PBEtmSzrFdDJ0fo7LAEEKh+L6uLPLZc+w8R6oR3dZYYf2xEx2e2J WPEYTUynwK+qS49DSe6aNRCy7hjSh73q1/nDDN3PdyHN6WQkePb9ksTre JYQIlYCbaKgqDZWj8jUKHcAIVQ6eOy7dXNHctg7fpuf3BwwHj1WFmgAXU KAX7l2hYanCrIou2bV8QJl/G7xPQAKiJXAnDOqLKjOxbFpcrAbRBHALXr Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10975"; a="11320395" X-IronPort-AV: E=Sophos;i="6.05,245,1701158400"; d="scan'208";a="11320395" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2024 10:59:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,245,1701158400"; d="scan'208";a="31879449" Received: from spandruv-desk.jf.intel.com ([10.54.75.14]) by fmviesa001.fm.intel.com with ESMTP; 05 Feb 2024 10:59:29 -0800 From: Srinivas Pandruvada To: jikos@kernel.org, jic23@kernel.org, lars@metafoo.de, Basavaraj.Natikar@amd.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH v5 3/4] iio: hid-sensor-als: Add light color temperature support Date: Mon, 5 Feb 2024 10:59:25 -0800 Message-Id: <20240205185926.3030521-4-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240205185926.3030521-1-srinivas.pandruvada@linux.intel.com> References: <20240205185926.3030521-1-srinivas.pandruvada@linux.intel.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Basavaraj Natikar On some platforms, ambient color sensors also support light color temperature. Add support of light color temperature. Signed-off-by: Basavaraj Natikar Signed-off-by: Srinivas Pandruvada --- v5: No change v4: - Index is fixed for each channel instead of packing for absent channels v3: Simplilified as no special processing is required in als_parse_report() v2: Original patch from Basavaraj Natikar is modified to prevent failure when the new usage id is not found in the descriptor. drivers/iio/light/hid-sensor-als.c | 21 +++++++++++++++++++++ include/linux/hid-sensor-ids.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index 144c02fbbbc0..c17902823629 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -16,6 +16,7 @@ enum { CHANNEL_SCAN_INDEX_INTENSITY, CHANNEL_SCAN_INDEX_ILLUM, + CHANNEL_SCAN_INDEX_COLOR_TEMP, CHANNEL_SCAN_INDEX_MAX }; @@ -43,6 +44,7 @@ struct als_state { static const u32 als_usage_ids[] = { HID_USAGE_SENSOR_LIGHT_ILLUM, HID_USAGE_SENSOR_LIGHT_ILLUM, + HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE, }; static const u32 als_sensitivity_addresses[] = { @@ -74,6 +76,16 @@ static const struct iio_chan_spec als_channels[] = { BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), .scan_index = CHANNEL_SCAN_INDEX_ILLUM, }, + { + .type = IIO_COLORTEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS) | + BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), + .scan_index = CHANNEL_SCAN_INDEX_COLOR_TEMP, + }, IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP) }; @@ -112,6 +124,11 @@ static int als_read_raw(struct iio_dev *indio_dev, min = als_state->als[chan->scan_index].logical_minimum; address = HID_USAGE_SENSOR_LIGHT_ILLUM; break; + case CHANNEL_SCAN_INDEX_COLOR_TEMP: + report_id = als_state->als[chan->scan_index].report_id; + min = als_state->als[chan->scan_index].logical_minimum; + address = HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE; + break; default: report_id = -1; break; @@ -232,6 +249,10 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev, als_state->scan.illum[CHANNEL_SCAN_INDEX_ILLUM] = sample_data; ret = 0; break; + case HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE: + als_state->scan.illum[CHANNEL_SCAN_INDEX_COLOR_TEMP] = sample_data; + ret = 0; + break; case HID_USAGE_SENSOR_TIME_TIMESTAMP: als_state->timestamp = hid_sensor_convert_timestamp(&als_state->common_attributes, *(s64 *)raw_data); diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 13b1e65fbdcc..8af4fb3e0254 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -21,6 +21,7 @@ #define HID_USAGE_SENSOR_ALS 0x200041 #define HID_USAGE_SENSOR_DATA_LIGHT 0x2004d0 #define HID_USAGE_SENSOR_LIGHT_ILLUM 0x2004d1 +#define HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE 0x2004d2 /* PROX (200011) */ #define HID_USAGE_SENSOR_PROX 0x200011