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linux (default): add patch to fix ite-cir issues

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min_timeout was calculated wrong, leading to long key repeats

Signed-off-by: Matthias Reichl <hias@horus.com>
This commit is contained in:
Matthias Reichl 2021-01-09 15:01:51 +01:00
parent b8ef86e774
commit a4588f2011
1 changed files with 34 additions and 0 deletions
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34
packages/linux/patches/default/linux-002-fix-ite-cir-timeout.patch Normal file
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@ -0,0 +1,34 @@
From a42febb1ed2fe7f21833afaa495a7c7e04ba8f80 Mon Sep 17 00:00:00 2001
From: Matthias Reichl <hias@horus.com>
Date: Sat, 9 Jan 2021 11:59:18 +0100
Subject: [PATCH] media: rc: ite-cir: fix min_timeout calculation
Commit 528222d853f92 ("media: rc: harmonize infrared durations to
microseconds") missed to switch the min_timeout calculation from ns
to us. This resulted in a minimum timeout of 1.2 seconds instead of 1.2ms,
leading to large delays and long key repeats.
Fix this by applying proper ns->us conversion.
Fixes: 528222d853f92 ("media: rc: harmonize infrared durations to microseconds")
Signed-off-by: Matthias Reichl <hias@horus.com>
---
drivers/media/rc/ite-cir.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index a905113fef6e..0c6229592e13 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -1551,7 +1551,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
rdev->s_rx_carrier_range = ite_set_rx_carrier_range;
/* FIFO threshold is 17 bytes, so 17 * 8 samples minimum */
rdev->min_timeout = 17 * 8 * ITE_BAUDRATE_DIVISOR *
- itdev->params.sample_period;
+ itdev->params.sample_period / 1000;
rdev->timeout = IR_DEFAULT_TIMEOUT;
rdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
rdev->rx_resolution = ITE_BAUDRATE_DIVISOR *
--
2.20.1