linux-kernel - [PATCH v8 44/52] Input: Atmel: improve error handling in mxt_update

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Date:   Thu, 19 Mar 2020 08:00:08 -0700
From:   Jiada Wang <jiada_wang@...tor.com>
To:     <nick@...anahar.org>, <dmitry.torokhov@...il.com>,
        <jikos@...nel.org>, <benjamin.tissoires@...hat.com>,
        <bsz@...ihalf.com>, <rydberg@...math.org>
CC:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <erosca@...adit-jv.com>, <Andrew_Gabbasov@...tor.com>,
        <jiada_wang@...tor.com>
Subject: [PATCH v8 44/52] Input: Atmel: improve error handling in mxt_update_cfg()

From: Deepak Das <deepak_das@...tor.com>

mxt_update_cfg() failed to propagate the error
code from mxt_init_t7_power_cfg() so return the error code.

Signed-off-by: Deepak Das <deepak_das@...tor.com>
Signed-off-by: George G. Davis <george_davis@...tor.com>
Signed-off-by: Jiada Wang <jiada_wang@...tor.com>
---
 drivers/input/touchscreen/atmel_mxt_ts.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 1eedde24e38f..edab65337061 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2185,7 +2185,9 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *fw)
 	dev_info(dev, "Config successfully updated\n");
 
 	/* T7 config may have changed */
-	mxt_init_t7_power_cfg(data);
+	ret = mxt_init_t7_power_cfg(data);
+	if (ret)
+		dev_warn(dev, "Power Config failed to update\n");
 
 release_mem:
 	kfree(cfg.mem);
-- 
2.17.1