build/patch/kernel/archive/sunxi-5.10/megous/input-cyttsp4-ENOSYS-error-is-ok-when-powering-up.patch

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Diff

From a8bae27570a1e154135443f5018037f7ded51c35 Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megous@megous.com>
Date: Sat, 28 Sep 2019 18:01:49 +0200
Subject: [PATCH 076/351] input: cyttsp4: ENOSYS error is ok when powering up
This error is handled gracefully, don't report it.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
drivers/input/touchscreen/cyttsp4_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index 8dcb3ce15f29..b9e644cac606 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1752,7 +1752,8 @@ static int cyttsp4_core_wake_(struct cyttsp4 *cd)
rc = -ENOSYS;
}
if (rc < 0) {
- dev_err(dev, "%s: HW Power up fails r=%d\n",
+ if (rc != -ENOSYS)
+ dev_err(dev, "%s: HW Power up fails r=%d\n",
__func__, rc);
/* Initiate a read transaction to wake up */
--
2.34.0