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From d7a1eb17bef650f13e7f96430f99294c36a40806 Mon Sep 17 00:00:00 2001
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From: Vincent Huang <vincent.huang@tw.synaptics.com>
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Date: Tue, 19 May 2020 13:09:28 +0800
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Subject: [PATCH] synaptics-prometheus: Force the minor version from 0x02 to
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0x01 to make sure the devices can be updated back to 0x01.
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---
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plugins/synaptics-prometheus/fu-synaprom-device.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git plugins/synaptics-prometheus/fu-synaprom-device.c plugins/synaptics-prometheus/fu-synaprom-device.c
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index 5a19203c..299ebde2 100644
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--- a/plugins/synaptics-prometheus/fu-synaprom-device.c
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+++ b/plugins/synaptics-prometheus/fu-synaprom-device.c
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@@ -142,6 +142,14 @@ fu_synaprom_device_set_version (FuSynapromDevice *self,
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{
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g_autofree gchar *str = NULL;
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+ /* We decide to skip 10.02.xxxxxx firmware, so we force the minor version from 0x02
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+ ** to 0x01 to make the devices with 0x02 minor version firmware allow to be updated
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+ ** back to minor version 0x01. */
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+ if (vmajor == 0x0a && vminor == 0x02) {
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+ g_debug ("quirking vminor from %02x to 01", vminor);
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+ vminor = 0x01;
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+ }
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+
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/* set display version */
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str = g_strdup_printf ("%02u.%02u.%u", vmajor, vminor, buildnum);
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fu_device_set_version (FU_DEVICE (self), str);
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--
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2.26.2
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