From 3d712af637e19a1c139c2b586c08b2a56bdff8c8 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Mon, 20 Jul 2020 14:56:54 -0700
Subject: [PATCH] Input: elan_i2c - do not constantly re-query pattern ID
Git-commit: 3d712af637e19a1c139c2b586c08b2a56bdff8c8
Patch-mainline: v5.9-rc1
References: bsc#1180870
We do not need to constantly re-query pattern ID, we can instead query it
once and then pass to methods that need it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/input/mouse/elan_i2c.h | 5 +++--
drivers/input/mouse/elan_i2c_core.c | 19 +++++++++++--------
drivers/input/mouse/elan_i2c_i2c.c | 27 ++++++---------------------
drivers/input/mouse/elan_i2c_smbus.c | 7 +++----
4 files changed, 23 insertions(+), 35 deletions(-)
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index de10a78f0fc9..6e6f13a4489c 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -57,8 +57,9 @@ struct elan_transport_ops {
int (*get_baseline_data)(struct i2c_client *client,
bool max_baseliune, u8 *value);
- int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
- int (*get_sm_version)(struct i2c_client *client,
+ int (*get_version)(struct i2c_client *client, u8 pattern, bool iap,
+ u8 *version);
+ int (*get_sm_version)(struct i2c_client *client, u8 pattern,
u16 *ic_type, u8 *version, u8 *clickpad);
int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
int (*get_product_id)(struct i2c_client *client, u16 *id);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 5c933e16abc1..3230aaf63dab 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -236,8 +236,13 @@ static int elan_query_product(struct elan_tp_data *data)
if (error)
return error;
- error = data->ops->get_sm_version(data->client, &data->ic_type,
- &data->sm_version, &data->clickpad);
+ error = data->ops->get_pattern(data->client, &data->pattern);
+ if (error)
+ return error;
+
+ error = data->ops->get_sm_version(data->client, data->pattern,
+ &data->ic_type, &data->sm_version,
+ &data->clickpad);
if (error)
return error;
@@ -334,7 +339,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
{
int error;
- error = data->ops->get_version(data->client, false, &data->fw_version);
+ error = data->ops->get_version(data->client, data->pattern, false,
+ &data->fw_version);
if (error)
return error;
@@ -343,7 +349,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
if (error)
return error;
- error = data->ops->get_version(data->client, true, &data->iap_version);
+ error = data->ops->get_version(data->client, data->pattern,
+ true, &data->iap_version);
if (error)
return error;
@@ -352,10 +359,6 @@ static int elan_query_device_info(struct elan_tp_data *data)
if (error)
return error;
- error = data->ops->get_pattern(data->client, &data->pattern);
- if (error)
- return error;
-
error = elan_get_fwinfo(data->ic_type, data->iap_version,
&data->fw_validpage_count,
&data->fw_signature_address,
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index 4dfac2ea5084..b84e3bbe62b5 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -266,22 +266,15 @@ static int elan_i2c_get_pattern(struct i2c_client *client, u8 *pattern)
}
static int elan_i2c_get_version(struct i2c_client *client,
- bool iap, u8 *version)
+ u8 pattern, bool iap, u8 *version)
{
int error;
- u8 pattern_ver;
u16 cmd;
u8 val[3];
- error = elan_i2c_get_pattern(client, &pattern_ver);
- if (error) {
- dev_err(&client->dev, "failed to get pattern version\n");
- return error;
- }
-
if (!iap)
cmd = ETP_I2C_FW_VERSION_CMD;
- else if (pattern_ver == 0)
+ else if (pattern == 0)
cmd = ETP_I2C_IAP_VERSION_P0_CMD;
else
cmd = ETP_I2C_IAP_VERSION_CMD;
@@ -293,28 +286,20 @@ static int elan_i2c_get_version(struct i2c_client *client,
return error;
}
- if (pattern_ver >= 0x01)
+ if (pattern >= 0x01)
*version = iap ? val[1] : val[0];
else
*version = val[0];
return 0;
}
-static int elan_i2c_get_sm_version(struct i2c_client *client,
- u16 *ic_type, u8 *version,
- u8 *clickpad)
+static int elan_i2c_get_sm_version(struct i2c_client *client, u8 pattern,
+ u16 *ic_type, u8 *version, u8 *clickpad)
{
int error;
- u8 pattern_ver;
u8 val[3];
- error = elan_i2c_get_pattern(client, &pattern_ver);
- if (error) {
- dev_err(&client->dev, "failed to get pattern version\n");
- return error;
- }
-
- if (pattern_ver >= 0x01) {
+ if (pattern >= 0x01) {
error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);
if (error) {
dev_err(&client->dev, "failed to get ic type: %d\n",
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index 97c2c46be5f6..f7af8b7b345f 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -147,7 +147,7 @@ static int elan_smbus_get_baseline_data(struct i2c_client *client,
}
static int elan_smbus_get_version(struct i2c_client *client,
- bool iap, u8 *version)
+ u8 pattern, bool iap, u8 *version)
{
int error;
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
@@ -166,9 +166,8 @@ static int elan_smbus_get_version(struct i2c_client *client,
return 0;
}
-static int elan_smbus_get_sm_version(struct i2c_client *client,
- u16 *ic_type, u8 *version,
- u8 *clickpad)
+static int elan_smbus_get_sm_version(struct i2c_client *client, u8 pattern,
+ u16 *ic_type, u8 *version, u8 *clickpad)
{
int error;
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
--
2.26.2