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BPI-CM9-Linux/build/patch/kernel/archive/sunxi-6.6/patches.megous/input-cyttsp4-ENOSYS-error-is-ok-when-powering-up.patch

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963 B
Diff

From 0f7f0bf06943e48e222c91388e5e3abbb3572736 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= <[email protected]>
Date: Sat, 28 Sep 2019 18:01:49 +0200
Subject: input: cyttsp4: ENOSYS error is ok when powering up
This error is handled gracefully, don't report it.
Signed-off-by: Ondrej Jirman <[email protected]>
---
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 c115cb449146..a9e86e444aeb 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1764,7 +1764,8 @@ 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 */
--
2.35.3