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94c4c1331a
Update default kernel version to 6.6 for the Raspberry Pi devices. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
1015 B
Diff
28 lines
1015 B
Diff
From 32fc111f48a3465de9dc367328354263946bc0a9 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Wed, 12 Jun 2019 17:15:05 +0100
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Subject: [PATCH 0153/1085] w1: w1-gpio: Make GPIO an output for strong pullup
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The logic to drive the data line high to implement a strong pullup
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assumed that the pin was already an output - setting a value does
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not change an input.
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See: https://github.com/raspberrypi/firmware/issues/1143
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/w1/masters/w1-gpio.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/w1/masters/w1-gpio.c
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+++ b/drivers/w1/masters/w1-gpio.c
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@@ -30,7 +30,7 @@ static u8 w1_gpio_set_pullup(void *data,
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* This will OVERRIDE open drain emulation and force-pull
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* the line high for some time.
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*/
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- gpiod_set_raw_value(pdata->gpiod, 1);
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+ gpiod_direction_output_raw(pdata->gpiod, 1);
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msleep(pdata->pullup_duration);
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/*
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* This will simply set the line as input since we are doing
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