From: Jiada Wang <jiada_wang@mentor.com>
To: <nick@shmanahar.org>, <dmitry.torokhov@gmail.com>
Cc: <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<jiada_wang@mentor.com>, <george_davis@mentor.com>
Subject: [PATCH v1 18/63] Input: atmel_mxt_ts - add config checksum attribute to sysfs
Date: Fri, 16 Aug 2019 17:32:12 +0900 [thread overview]
Message-ID: <20190816083257.18546-4-jiada_wang@mentor.com> (raw)
In-Reply-To: <20190816083257.18546-1-jiada_wang@mentor.com>
From: karl tsou <karl.funlab@gmail.com>
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
(cherry picked from ndyer/linux/for-upstream commit 03477477ddbe5dcad42853ab3f84166a8f807acf)
[gdavis: Forward port and fix conflicts.]
Signed-off-by: George G. Davis <george_davis@mentor.com>
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 4f335c3da994..a4f8364ecca9 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -3122,6 +3122,15 @@ static int mxt_configure_objects(struct mxt_data *data,
return error;
}
+/* Configuration crc check sum is returned as hex xxxxxx */
+static ssize_t mxt_config_crc_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct mxt_data *data = dev_get_drvdata(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%06x\n", data->config_crc);
+}
+
/* Firmware Version is returned as Major.Minor.Build */
static ssize_t mxt_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -3475,12 +3484,14 @@ static DEVICE_ATTR(fw_version, S_IRUGO, mxt_fw_version_show, NULL);
static DEVICE_ATTR(hw_version, S_IRUGO, mxt_hw_version_show, NULL);
static DEVICE_ATTR(object, S_IRUGO, mxt_object_show, NULL);
static DEVICE_ATTR(update_cfg, S_IWUSR, NULL, mxt_update_cfg_store);
+static DEVICE_ATTR(config_crc, S_IRUGO, mxt_config_crc_show, NULL);
static struct attribute *mxt_attrs[] = {
&dev_attr_fw_version.attr,
&dev_attr_hw_version.attr,
&dev_attr_object.attr,
&dev_attr_update_cfg.attr,
+ &dev_attr_config_crc.attr,
NULL
};
--
2.19.2
next prev parent reply other threads:[~2019-08-16 8:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 8:32 [PATCH v1 15/63] Input: atmel_mxt_ts - allow specification of firmware file name Jiada Wang
2019-08-16 8:32 ` [PATCH v1 16/63] Input: atmel_mxt_ts - handle cfg filename via pdata/sysfs Jiada Wang
2019-08-16 8:32 ` [PATCH v1 17/63] Input: atmel_mxt_ts - allow input name to be specified in platform data Jiada Wang
2019-08-16 8:32 ` Jiada Wang [this message]
2019-08-16 8:32 ` [PATCH v1 19/63] Input: atmel_mxt_ts - check data->input_dev is not null in mxt_input_sync() Jiada Wang
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