matthew/sonic-buildimage
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[celestica/e1031]: enable emc2305 fan controller timeout feature (#14401) (#15571)

Browse Source
This commit is contained in:
mssonicbld 2023-06-22 08:27:53 +08:00 committed by GitHub
parent db12b8c9c0
commit 6bb16f3e54
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
platform/broadcom/sonic-platform-modules-cel/haliburton/modules/emc2305.c
View File

@ -407,6 +407,35 @@ emc2305_set_pwm(struct i2c_client *client, int fan_idx, long pwm)
mutex_unlock(&data->update_lock);
return status;
}
static int
emc2305_enable_timeout(struct i2c_client *client, bool enable)
{
struct emc2305_data *data = i2c_get_clientdata(client);
int status = 0;
u8 conf_val = 0;
mutex_lock(&data->update_lock);
status = read_u8_from_i2c(client, REG_CONFIGURATION, &conf_val);
if (status < 0) {
mutex_unlock(&data->update_lock);
return status;
}
// Section 6.2: CONFIG REGISTER DIS_TO bit(bit 6)
if (enable) {
conf_val &= ~(1 << 6);
} else {
conf_val |= (1 << 6);
}
status = i2c_smbus_write_byte_data(client, REG_CONFIGURATION, conf_val);
mutex_unlock(&data->update_lock);
return status;
}
/*
* sysfs callback functions
*
@ -744,6 +773,9 @@ emc2305_probe(struct i2c_client *client, const struct i2c_device_id *id)
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
// Enable SMBus timeout feature
emc2305_enable_timeout(client, true);
status = i2c_smbus_read_byte_data(client, REG_PRODUCT_ID);
switch (status) {
case 0x34: /* EMC2305 */