From patchwork Sun Dec 17 20:07:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Srinivas Pandruvada X-Patchwork-Id: 755340 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) (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 486DC481B9; Sun, 17 Dec 2023 20:07:16 +0000 (UTC) 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="UefXz/pT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702843636; x=1734379636; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ysVCu8D1IX+AkHLJxM3YJ5xRnguUxX+A14T9pX7RtKQ=; b=UefXz/pT8PFZHhoFSqe+Odl7jplt5Y17kpMPw+V9rvUKcbCWfoujDi50 sWy6MzMYv3nLXlo6oGZldXtm+vAHhDA2resetaVPvDeV7jCSataG7sWk8 FtQD1aA1/RBeu3DqtIcQk4AGrJXgPwCan5dknEonY9UU+9MwjhY4WO7/L ALUuGXzfDNxddw1QXKeYqnVDJnIicMeti6d1NPazJag+JvHZMq90m2NAX Sk9uX6TjVNefFDpm/OxwrHpEO8kMvXll9A1vjMfbEx9ET10xfcOj/hNGZ /FzXHiBSRjdCus95cA1k9d0TSeV73nKVxfuA2CrF7KQ58Rjcv5TClN58F w==; X-IronPort-AV: E=McAfee;i="6600,9927,10927"; a="398214909" X-IronPort-AV: E=Sophos;i="6.04,284,1695711600"; d="scan'208";a="398214909" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2023 12:07:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10927"; a="1022539231" X-IronPort-AV: E=Sophos;i="6.04,284,1695711600"; d="scan'208";a="1022539231" Received: from spandruv-desk.jf.intel.com ([10.54.75.14]) by fmsmga006.fm.intel.com with ESMTP; 17 Dec 2023 12:07:14 -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 , =?utf-8?q?Thomas?= =?utf-8?q?_Wei=C3=9Fschuh?= , stable@vger.kernel.org Subject: [PATCH 2/2] Revert "iio: hid-sensor-als: Add light color temperature support" Date: Sun, 17 Dec 2023 12:07:03 -0800 Message-Id: <20231217200703.719876-3-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231217200703.719876-1-srinivas.pandruvada@linux.intel.com> References: <20231217200703.719876-1-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 This reverts commit 5f05285df691b1e82108eead7165feae238c95ef. This commit assumes that every HID descriptor for ALS sensor has presence of usage id ID HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE. When the above usage id is absent, driver probe fails. This breaks ALS sensor functionality on many platforms. Till we have a good solution, revert this commit. Reported-by: Thomas Weißschuh Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218223 Signed-off-by: Srinivas Pandruvada Cc: stable@vger.kernel.org --- drivers/iio/light/hid-sensor-als.c | 37 ++---------------------------- include/linux/hid-sensor-ids.h | 1 - 2 files changed, 2 insertions(+), 36 deletions(-) diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index d44b3f30ae4a..5cd27f04b45e 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -14,9 +14,8 @@ #include "../common/hid-sensors/hid-sensor-trigger.h" enum { - CHANNEL_SCAN_INDEX_INTENSITY, - CHANNEL_SCAN_INDEX_ILLUM, - CHANNEL_SCAN_INDEX_COLOR_TEMP, + CHANNEL_SCAN_INDEX_INTENSITY = 0, + CHANNEL_SCAN_INDEX_ILLUM = 1, CHANNEL_SCAN_INDEX_MAX }; @@ -66,16 +65,6 @@ 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) }; @@ -114,11 +103,6 @@ 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; @@ -239,10 +223,6 @@ 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); @@ -278,19 +258,6 @@ static int als_parse_report(struct platform_device *pdev, st->als[i].report_id); } - ret = sensor_hub_input_get_attribute_info(hsdev, HID_INPUT_REPORT, - usage_id, - HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE, - &st->als[CHANNEL_SCAN_INDEX_COLOR_TEMP]); - if (ret < 0) - return ret; - als_adjust_channel_bit_mask(channels, CHANNEL_SCAN_INDEX_COLOR_TEMP, - st->als[CHANNEL_SCAN_INDEX_COLOR_TEMP].size); - - dev_dbg(&pdev->dev, "als %x:%x\n", - st->als[CHANNEL_SCAN_INDEX_COLOR_TEMP].index, - st->als[CHANNEL_SCAN_INDEX_COLOR_TEMP].report_id); - st->scale_precision = hid_sensor_format_scale(usage_id, &st->als[CHANNEL_SCAN_INDEX_INTENSITY], &st->scale_pre_decml, &st->scale_post_decml); diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 8af4fb3e0254..13b1e65fbdcc 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -21,7 +21,6 @@ #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