add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/iio/adc/hx711.c
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@@ -1,17 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * HX711: analog to digital converter for weight sensor module
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  *
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  * Copyright (c) 2016 Andreas Klinger <ak@it-klinger.de>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/err.h>
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 #include <linux/kernel.h>
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@@ -32,6 +23,7 @@
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 /* gain to pulse and scale conversion */
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 #define HX711_GAIN_MAX		3
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+#define HX711_RESET_GAIN	128
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 struct hx711_gain_to_scale {
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 	int			gain;
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@@ -194,8 +186,7 @@
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 static int hx711_reset(struct hx711_data *hx711_data)
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 {
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-	int ret;
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-	int val = gpiod_get_value(hx711_data->gpiod_dout);
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+	int val = hx711_wait_for_ready(hx711_data);
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 	if (val) {
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 		/*
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@@ -211,22 +202,10 @@
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 		msleep(10);
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 		gpiod_set_value(hx711_data->gpiod_pd_sck, 0);
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-		ret = hx711_wait_for_ready(hx711_data);
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-		if (ret)
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-			return ret;
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-		/*
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-		 * after a reset the gain is 128 so we do a dummy read
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-		 * to set the gain for the next read
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-		 */
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-		ret = hx711_read(hx711_data);
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-		if (ret < 0)
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-			return ret;
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-
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-		/*
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-		 * after a dummy read we need to wait vor readiness
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-		 * for not mixing gain pulses with the clock
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-		 */
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 		val = hx711_wait_for_ready(hx711_data);
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+
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+		/* after a reset the gain is 128 */
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+		hx711_data->gain_set = HX711_RESET_GAIN;
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 	}
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 	return val;
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@@ -572,7 +551,6 @@
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 	platform_set_drvdata(pdev, indio_dev);
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 	indio_dev->name = "hx711";
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-	indio_dev->dev.parent = &pdev->dev;
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 	indio_dev->info = &hx711_iio_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = hx711_chan_spec;