From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c | 91 ++++++++++++++++++++++++++++++---------------
1 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/kernel/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
index 8d76afb..dee1191 100644
--- a/kernel/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
+++ b/kernel/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
@@ -1,22 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* cros_ec_sensors - Driver for Chrome OS Embedded Controller sensors.
*
* Copyright (C) 2016 Google, Inc
*
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
* This driver uses the cros-ec interface to communicate with the Chrome OS
* EC about sensors data. Data access is presented through iio sysfs.
*/
-#include <linux/delay.h>
#include <linux/device.h>
#include <linux/iio/buffer.h>
#include <linux/iio/common/cros_ec_sensors_core.h>
@@ -25,12 +16,11 @@
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
#include <linux/kernel.h>
-#include <linux/mfd/cros_ec.h>
-#include <linux/mfd/cros_ec_commands.h>
#include <linux/module.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/sysfs.h>
#define CROS_EC_SENSORS_MAX_CHANNELS 4
@@ -73,10 +63,35 @@
/* Save values */
for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++)
- st->core.calib[i] =
+ st->core.calib[i].offset =
st->core.resp->sensor_offset.offset[i];
ret = IIO_VAL_INT;
- *val = st->core.calib[idx];
+ *val = st->core.calib[idx].offset;
+ break;
+ case IIO_CHAN_INFO_CALIBSCALE:
+ st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_SCALE;
+ st->core.param.sensor_offset.flags = 0;
+
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ if (ret == -EPROTO || ret == -EOPNOTSUPP) {
+ /* Reading calibscale is not supported on older EC. */
+ *val = 1;
+ *val2 = 0;
+ ret = IIO_VAL_INT_PLUS_MICRO;
+ break;
+ } else if (ret) {
+ break;
+ }
+
+ /* Save values */
+ for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++)
+ st->core.calib[i].scale =
+ st->core.resp->sensor_scale.scale[i];
+
+ *val = st->core.calib[idx].scale >> 15;
+ *val2 = ((st->core.calib[idx].scale & 0x7FFF) * 1000000LL) /
+ MOTION_SENSE_DEFAULT_SCALE;
+ ret = IIO_VAL_INT_PLUS_MICRO;
break;
case IIO_CHAN_INFO_SCALE:
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_RANGE;
@@ -144,7 +159,7 @@
switch (mask) {
case IIO_CHAN_INFO_CALIBBIAS:
- st->core.calib[idx] = val;
+ st->core.calib[idx].offset = val;
/* Send to EC for each axis, even if not complete */
st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_OFFSET;
@@ -152,8 +167,23 @@
MOTION_SENSE_SET_OFFSET;
for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++)
st->core.param.sensor_offset.offset[i] =
- st->core.calib[i];
+ st->core.calib[i].offset;
st->core.param.sensor_offset.temp =
+ EC_MOTION_SENSE_INVALID_CALIB_TEMP;
+
+ ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ break;
+ case IIO_CHAN_INFO_CALIBSCALE:
+ st->core.calib[idx].scale = val;
+ /* Send to EC for each axis, even if not complete */
+
+ st->core.param.cmd = MOTIONSENSE_CMD_SENSOR_SCALE;
+ st->core.param.sensor_offset.flags =
+ MOTION_SENSE_SET_OFFSET;
+ for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++)
+ st->core.param.sensor_scale.scale[i] =
+ st->core.calib[i].scale;
+ st->core.param.sensor_scale.temp =
EC_MOTION_SENSE_INVALID_CALIB_TEMP;
ret = cros_ec_motion_send_host_cmd(&st->core, 0);
@@ -170,6 +200,10 @@
st->core.param.sensor_range.roundup = 1;
ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ if (ret == 0) {
+ st->core.range_updated = true;
+ st->core.curr_range = val;
+ }
break;
default:
ret = cros_ec_sensors_core_write(
@@ -185,27 +219,25 @@
static const struct iio_info ec_sensors_info = {
.read_raw = &cros_ec_sensors_read,
.write_raw = &cros_ec_sensors_write,
+ .read_avail = &cros_ec_sensors_core_read_avail,
};
static int cros_ec_sensors_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
struct iio_dev *indio_dev;
struct cros_ec_sensors_state *state;
struct iio_chan_spec *channel;
int ret, i;
- if (!ec_dev || !ec_dev->ec_dev) {
- dev_warn(&pdev->dev, "No CROS EC device found.\n");
- return -EINVAL;
- }
-
indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*state));
if (!indio_dev)
return -ENOMEM;
- ret = cros_ec_sensors_core_init(pdev, indio_dev, true);
+ ret = cros_ec_sensors_core_init(pdev, indio_dev, true,
+ cros_ec_sensors_capture,
+ cros_ec_sensors_push_data,
+ true);
if (ret)
return ret;
@@ -216,10 +248,12 @@
/* Common part */
channel->info_mask_separate =
BIT(IIO_CHAN_INFO_RAW) |
- BIT(IIO_CHAN_INFO_CALIBBIAS);
+ BIT(IIO_CHAN_INFO_CALIBBIAS) |
+ BIT(IIO_CHAN_INFO_CALIBSCALE);
channel->info_mask_shared_by_all =
BIT(IIO_CHAN_INFO_SCALE) |
- BIT(IIO_CHAN_INFO_FREQUENCY) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ);
+ channel->info_mask_shared_by_all_available =
BIT(IIO_CHAN_INFO_SAMP_FREQ);
channel->scan_type.realbits = CROS_EC_SENSOR_BITS;
channel->scan_type.storagebits = CROS_EC_SENSOR_BITS;
@@ -263,11 +297,6 @@
state->core.read_ec_sensors_data = cros_ec_sensors_read_lpc;
else
state->core.read_ec_sensors_data = cros_ec_sensors_read_cmd;
-
- ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
- cros_ec_sensors_capture, NULL);
- if (ret)
- return ret;
return devm_iio_device_register(dev, indio_dev);
}
--
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