evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

i2c debug

Browse source
This commit is contained in:
Florian Leeber 2022-01-22 21:40:51 +01:00
parent 28cd10e55c
commit 043d868cc3
1 changed files with 11 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/input/rmi4/rmi_i2c.c
View file

@ -225,19 +225,24 @@ static int rmi_i2c_probe(struct i2c_client *client,
struct rmi_i2c_xport *rmi_i2c;
int retval;
rmi_i2c = devm_kzalloc(&client->dev, sizeof(struct rmi_i2c_xport),
dev_info(&client->dev, "228");
rmi_i2c = devm_kzalloc(&client->dev, sizeof(struct rmi_i2c_xport),
GFP_KERNEL);
if (!rmi_i2c)
return -ENOMEM;
pdata = &rmi_i2c->xport.pdata;
dev_info(&client->dev, "236");
if (!client->dev.of_node && client_pdata)
*pdata = *client_pdata;
if (client->irq > 0)
rmi_i2c->irq = client->irq;
dev_info(&client->dev, "244");
rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Probing %s.\n",
dev_name(&client->dev));
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
@ -246,6 +251,7 @@ static int rmi_i2c_probe(struct i2c_client *client,
return -ENODEV;
}
dev_info(&client->dev, "254");
rmi_i2c->client = client;
mutex_init(&rmi_i2c->page_mutex);
@ -253,18 +259,21 @@ static int rmi_i2c_probe(struct i2c_client *client,
rmi_i2c->xport.proto_name = "i2c";
rmi_i2c->xport.ops = &rmi_i2c_ops;
dev_info(&client->dev, "262");
i2c_set_clientdata(client, rmi_i2c);
/*
* Setting the page to zero will (a) make sure the PSR is in a
* known state, and (b) make sure we can talk to the device.
*/
dev_info(&client->dev, "269");
retval = rmi_set_page(rmi_i2c, 0);
if (retval) {
dev_err(&client->dev, "Failed to set page select to 0.\n");
return retval;
}
dev_info(&client->dev, "276");
retval = rmi_register_transport_device(&rmi_i2c->xport);
if (retval) {
dev_err(&client->dev, "Failed to register transport driver at 0x%.2X.\n",
@ -272,6 +281,7 @@ static int rmi_i2c_probe(struct i2c_client *client,
return retval;
}
dev_info(&client->dev, "284");
retval = rmi_i2c_init_irq(client);
if (retval < 0)
return retval;