From: Jiada Wang <jiada_wang@mentor.com>
To: <nick@shmanahar.org>, <dmitry.torokhov@gmail.com>,
<jikos@kernel.org>, <benjamin.tissoires@redhat.com>,
<rydberg@bitmath.org>
Cc: <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<jiada_wang@mentor.com>
Subject: [PATCH v3 15/49] Input: atmel_mxt_ts - report failures in suspend/resume
Date: Tue, 17 Sep 2019 18:37:32 +0900 [thread overview]
Message-ID: <20190917093806.18538-1-jiada_wang@mentor.com> (raw)
From: Nick Dyer <nick.dyer@itdev.co.uk>
(cherry picked from ndyer/linux/for-upstream commit 93a57575403de4dd07cd64807d3c2ed7f2cca262)
[gdavis: Resolve forward port conflicts due to applying upstream
commit 96a938aa214e ("Input: atmel_mxt_ts - remove platform
data support").]
Signed-off-by: George G. Davis <george_davis@mentor.com>
[jiada: Fix compilation warning]
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 51 ++++++++++++++++++------
1 file changed, 39 insertions(+), 12 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 25ac42967bc7..4615e1591af4 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -3425,10 +3425,12 @@ static void mxt_reset_slots(struct mxt_data *data)
mxt_input_sync(data);
}
-static void mxt_start(struct mxt_data *data)
+static int mxt_start(struct mxt_data *data)
{
+ int ret = 0;
+
if (!data->suspended || data->in_bootloader)
- return;
+ return 0;
switch (data->suspend_mode) {
case MXT_SUSPEND_T9_CTRL:
@@ -3453,28 +3455,42 @@ static void mxt_start(struct mxt_data *data)
*/
mxt_process_messages_until_invalid(data);
- mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+ ret = mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+ if (ret)
+ return ret;
/* Recalibrate since chip has been in deep sleep */
- mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false);
+ ret = mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false);
+ if (ret)
+ return ret;
+
+ ret = mxt_acquire_irq(data);
+ if (ret)
+ return ret;
- mxt_acquire_irq(data);
break;
}
data->suspended = false;
+
+ return 0;
}
-static void mxt_stop(struct mxt_data *data)
+static int mxt_stop(struct mxt_data *data)
{
+ int ret;
+
if (data->suspended || data->in_bootloader)
- return;
+ return 0;
switch (data->suspend_mode) {
case MXT_SUSPEND_T9_CTRL:
/* Touch disable */
- mxt_write_object(data,
+ ret = mxt_write_object(data,
MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0);
+ if (ret)
+ return ret;
+
break;
case MXT_SUSPEND_REGULATOR:
@@ -3487,29 +3503,40 @@ static void mxt_stop(struct mxt_data *data)
default:
disable_irq(data->irq);
- mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP);
+ ret = mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP);
+ if (ret)
+ return ret;
mxt_reset_slots(data);
break;
}
data->suspended = true;
+ return 0;
}
static int mxt_input_open(struct input_dev *dev)
{
struct mxt_data *data = input_get_drvdata(dev);
+ int ret;
- mxt_start(data);
+ ret = mxt_start(data);
- return 0;
+ if (ret)
+ dev_err(&data->client->dev, "%s failed rc=%d\n", __func__, ret);
+
+ return ret;
}
static void mxt_input_close(struct input_dev *dev)
{
struct mxt_data *data = input_get_drvdata(dev);
+ int ret;
- mxt_stop(data);
+ ret = mxt_stop(data);
+
+ if (ret)
+ dev_err(&data->client->dev, "%s failed rc=%d\n", __func__, ret);
}
static int mxt_parse_device_properties(struct mxt_data *data)
--
2.19.2
next reply other threads:[~2019-09-17 9:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 9:37 Jiada Wang [this message]
2019-09-17 9:37 ` [PATCH v3 16/49] Input: atmel_mxt_ts - allow specification of firmware file name Jiada Wang
2019-09-17 9:37 ` [PATCH v3 17/49] Input: atmel_mxt_ts - handle cfg filename via pdata/sysfs Jiada Wang
2019-09-17 9:37 ` [PATCH v3 18/49] Input: atmel_mxt_ts - allow input name to be specified in platform data Jiada Wang
2019-09-17 9:37 ` [PATCH v3 19/49] Input: atmel_mxt_ts - add config checksum attribute to sysfs Jiada Wang
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