From patchwork Mon Feb 1 07:43:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12058295 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 699A4C433E9 for ; Mon, 1 Feb 2021 07:44:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 384DD64E32 for ; Mon, 1 Feb 2021 07:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232177AbhBAHnt (ORCPT ); Mon, 1 Feb 2021 02:43:49 -0500 Received: from mga12.intel.com ([192.55.52.136]:46034 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229736AbhBAHnr (ORCPT ); Mon, 1 Feb 2021 02:43:47 -0500 IronPort-SDR: WoFYnxa6cEywMk3QtZGUvNgvA6rTOEygVgn/359VEbKXu0IGi3+GM14zhhwrtPZl3nbACgmWP1 nK0r631GA4RA== X-IronPort-AV: E=McAfee;i="6000,8403,9881"; a="159813874" X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="159813874" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2021 23:43:07 -0800 IronPort-SDR: z4Q5DvfU1FdxTD5eRTQlJ6l+/lhtDKlz6eAONtQQDEOY7bJTD+VyqDlIH1BzJNLqHjvCaJlqvC D809bQgMGF4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="432235819" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga001.jf.intel.com with ESMTP; 31 Jan 2021 23:43:04 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH 1/3] iio: Add relative sensitivity support Date: Mon, 1 Feb 2021 15:43:56 +0800 Message-Id: <20210201074358.18435-2-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210201074358.18435-1-xiang.ye@intel.com> References: <20210201074358.18435-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Some hid sensors may use relative sensitivity such as als sensor. This patch adds relative sensitivity checking for all hid sensors. Signed-off-by: Ye Xiang --- .../hid-sensors/hid-sensor-attributes.c | 75 ++++++++++++++++++- drivers/iio/industrialio-core.c | 1 + include/linux/hid-sensor-hub.h | 5 ++ include/linux/hid-sensor-ids.h | 1 + include/linux/iio/types.h | 1 + 5 files changed, 79 insertions(+), 4 deletions(-) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index d349ace2e33f..7a555262ff9a 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -263,6 +263,30 @@ int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st, } EXPORT_SYMBOL(hid_sensor_read_raw_hyst_value); +int hid_sensor_read_raw_hyst_rel_value(struct hid_sensor_common *st, int *val1, + int *val2) +{ + s32 value; + int ret; + + ret = sensor_hub_get_feature(st->hsdev, + st->sensitivity_rel.report_id, + st->sensitivity_rel.index, sizeof(value), + &value); + if (ret < 0 || value < 0) { + *val1 = *val2 = 0; + return -EINVAL; + } else { + convert_from_vtf_format(value, st->sensitivity_rel.size, + st->sensitivity_rel.unit_expo, + val1, val2); + } + + return IIO_VAL_INT_PLUS_MICRO; +} +EXPORT_SYMBOL(hid_sensor_read_raw_hyst_rel_value); + + int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, int val1, int val2) { @@ -294,6 +318,37 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, } EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value); +int hid_sensor_write_raw_hyst_rel_value(struct hid_sensor_common *st, + int val1, int val2) +{ + s32 value; + int ret; + + if (val1 < 0 || val2 < 0) + return -EINVAL; + + value = convert_to_vtf_format(st->sensitivity_rel.size, + st->sensitivity_rel.unit_expo, + val1, val2); + ret = sensor_hub_set_feature(st->hsdev, st->sensitivity_rel.report_id, + st->sensitivity_rel.index, sizeof(value), + &value); + if (ret < 0 || value < 0) + return -EINVAL; + + ret = sensor_hub_get_feature(st->hsdev, + st->sensitivity_rel.report_id, + st->sensitivity_rel.index, sizeof(value), + &value); + if (ret < 0 || value < 0) + return -EINVAL; + + st->raw_hystersis = value; + + return 0; +} +EXPORT_SYMBOL(hid_sensor_write_raw_hyst_rel_value); + /* * This fuction applies the unit exponent to the scale. * For example: @@ -478,16 +533,28 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS, &st->sensitivity); + sensor_hub_input_get_attribute_info(hsdev, + HID_FEATURE_REPORT, usage_id, + HID_USAGE_SENSOR_PROP_SENSITIVITY_REL_PCT, + &st->sensitivity_rel); /* * Set Sensitivity field ids, when there is no individual modifier, will - * check absolute sensitivity of data field + * check absolute sensitivity and relative sensitivity of data field */ - for (i = 0; i < sensitivity_addresses_len && st->sensitivity.index < 0; i++) { - sensor_hub_input_get_attribute_info(hsdev, - HID_FEATURE_REPORT, usage_id, + for (i = 0; i < sensitivity_addresses_len; i++) { + if (st->sensitivity.index < 0) + sensor_hub_input_get_attribute_info( + hsdev, HID_FEATURE_REPORT, usage_id, HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS | sensitivity_addresses[i], &st->sensitivity); + + if (st->sensitivity_rel.index < 0) + sensor_hub_input_get_attribute_info( + hsdev, HID_FEATURE_REPORT, usage_id, + HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT | + sensitivity_addresses[i], + &st->sensitivity_rel); } st->raw_hystersis = -1; diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 7db761afa578..3da8fcec3c16 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -157,6 +157,7 @@ static const char * const iio_chan_info_postfix[] = { [IIO_CHAN_INFO_PHASE] = "phase", [IIO_CHAN_INFO_HARDWAREGAIN] = "hardwaregain", [IIO_CHAN_INFO_HYSTERESIS] = "hysteresis", + [IIO_CHAN_INFO_HYSTERESIS_RELATIVE] = "hysteresis_relative", [IIO_CHAN_INFO_INT_TIME] = "integration_time", [IIO_CHAN_INFO_ENABLE] = "en", [IIO_CHAN_INFO_CALIBHEIGHT] = "calibheight", diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 8b2599348554..5e7bc309172e 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -230,6 +230,7 @@ struct hid_sensor_common { struct hid_sensor_hub_attribute_info report_state; struct hid_sensor_hub_attribute_info power_state; struct hid_sensor_hub_attribute_info sensitivity; + struct hid_sensor_hub_attribute_info sensitivity_rel; struct hid_sensor_hub_attribute_info report_latency; struct work_struct work; }; @@ -252,8 +253,12 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, u32 sensitivity_addresses_len); int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, int val1, int val2); +int hid_sensor_write_raw_hyst_rel_value(struct hid_sensor_common *st, int val1, + int val2); int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st, int *val1, int *val2); +int hid_sensor_read_raw_hyst_rel_value(struct hid_sensor_common *st, + int *val1, int *val2); int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, int val1, int val2); int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st, diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 3bbdbccc5805..ac631159403a 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -149,6 +149,7 @@ /* Per data field properties */ #define HID_USAGE_SENSOR_DATA_MOD_NONE 0x00 #define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS 0x1000 +#define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT 0xE000 /* Power state enumerations */ #define HID_USAGE_SENSOR_PROP_POWER_STATE_UNDEFINED_ENUM 0x200850 diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 1e3ed6f55bca..5aa7f66d4345 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -50,6 +50,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_PHASE, IIO_CHAN_INFO_HARDWAREGAIN, IIO_CHAN_INFO_HYSTERESIS, + IIO_CHAN_INFO_HYSTERESIS_RELATIVE, IIO_CHAN_INFO_INT_TIME, IIO_CHAN_INFO_ENABLE, IIO_CHAN_INFO_CALIBHEIGHT, From patchwork Mon Feb 1 07:43:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12058297 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15C3AC4332E for ; Mon, 1 Feb 2021 07:44:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4E4364E25 for ; Mon, 1 Feb 2021 07:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232270AbhBAHnz (ORCPT ); Mon, 1 Feb 2021 02:43:55 -0500 Received: from mga12.intel.com ([192.55.52.136]:46039 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232215AbhBAHnu (ORCPT ); Mon, 1 Feb 2021 02:43:50 -0500 IronPort-SDR: EjOT25gxAylLeFWunstVpRoFrzHC/HmIywKqzXuYTHk0NWT0DyA6BUhe5j6hw5HTtAgu19XL8I nWQ/UxshWMhw== X-IronPort-AV: E=McAfee;i="6000,8403,9881"; a="159813881" X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="159813881" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2021 23:43:10 -0800 IronPort-SDR: SYO1Z+gug+MgUX9DKbHORRey7fluggwFcC/OJHDikvhNFpqbp7NV5UZSf0N9KQWaUqvyOKKVT1 rs/9D00g9aQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="432235895" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga001.jf.intel.com with ESMTP; 31 Jan 2021 23:43:07 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH 2/3] iio: hid-sensor-als: Add relative hysteresis support Date: Mon, 1 Feb 2021 15:43:57 +0800 Message-Id: <20210201074358.18435-3-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210201074358.18435-1-xiang.ye@intel.com> References: <20210201074358.18435-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Hid sensor als uses relative hysteresis, this patch adds the support. Signed-off-by: Ye Xiang --- drivers/iio/light/hid-sensor-als.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index afcdb424bfb8..85c8a05b73cb 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -54,7 +54,8 @@ static const struct iio_chan_spec als_channels[] = { .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) | + BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), .scan_index = CHANNEL_SCAN_INDEX_INTENSITY, }, { @@ -63,7 +64,8 @@ static const struct iio_chan_spec als_channels[] = { .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) | + BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), .scan_index = CHANNEL_SCAN_INDEX_ILLUM, }, IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP) @@ -141,6 +143,10 @@ static int als_read_raw(struct iio_dev *indio_dev, ret_type = hid_sensor_read_raw_hyst_value( &als_state->common_attributes, val, val2); break; + case IIO_CHAN_INFO_HYSTERESIS_RELATIVE: + ret_type = hid_sensor_read_raw_hyst_rel_value( + &als_state->common_attributes, val, val2); + break; default: ret_type = -EINVAL; break; @@ -168,6 +174,10 @@ static int als_write_raw(struct iio_dev *indio_dev, ret = hid_sensor_write_raw_hyst_value( &als_state->common_attributes, val, val2); break; + case IIO_CHAN_INFO_HYSTERESIS_RELATIVE: + ret = hid_sensor_write_raw_hyst_rel_value( + &als_state->common_attributes, val, val2); + break; default: ret = -EINVAL; } From patchwork Mon Feb 1 07:43:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12058299 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C2D3C433E6 for ; Mon, 1 Feb 2021 07:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 054CE64E25 for ; Mon, 1 Feb 2021 07:44:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232303AbhBAHoI (ORCPT ); Mon, 1 Feb 2021 02:44:08 -0500 Received: from mga12.intel.com ([192.55.52.136]:46032 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232285AbhBAHoB (ORCPT ); Mon, 1 Feb 2021 02:44:01 -0500 IronPort-SDR: TsiY7dA5Rk3U5IiRovrPr/W61CtNZvc7vckQzdPEFQn1wEr2Wxamb56x7MEParlTI38aSeQ/kZ iWOu5kKOEpkQ== X-IronPort-AV: E=McAfee;i="6000,8403,9881"; a="159813887" X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="159813887" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2021 23:43:13 -0800 IronPort-SDR: Dp7Tncf4Y6O97lcls1oo+CIOzvj2eMyjQhvy41JB6QYqa/XQesTDMb8K5aLWTFN3DG+GKlsAyo yFu71bFfJc4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,391,1602572400"; d="scan'208";a="432235972" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga001.jf.intel.com with ESMTP; 31 Jan 2021 23:43:11 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH 3/3] iio: Add relative hysteresis in ABI documentation Date: Mon, 1 Feb 2021 15:43:58 +0800 Message-Id: <20210201074358.18435-4-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210201074358.18435-1-xiang.ye@intel.com> References: <20210201074358.18435-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add relative hysteresis in ABI documentation. Signed-off-by: Ye Xiang --- Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index d957f5da5c04..1c51db7eb8ef 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1823,3 +1823,11 @@ Description: hinge, keyboard, screen. It means the three channels each correspond respectively to hinge angle, keyboard angle, and screen angle. + +What: /sys/bus/iio/devices/iio:deviceX/in_Y_hysteresis_relative +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Specify the percent relative to the current sensor channel + Y absolute value that a data field should change before an event + is generated. Units are a percentage of the prior reading.