diff options
Diffstat (limited to 'drivers/hwmon/pmbus')
| -rw-r--r-- | drivers/hwmon/pmbus/fsp-3y.c | 32 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/isl68137.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/q54sj108a2.c | 2 |
3 files changed, 28 insertions, 10 deletions
diff --git a/drivers/hwmon/pmbus/fsp-3y.c b/drivers/hwmon/pmbus/fsp-3y.c index e24842475254..aec294cc72d1 100644 --- a/drivers/hwmon/pmbus/fsp-3y.c +++ b/drivers/hwmon/pmbus/fsp-3y.c @@ -37,6 +37,8 @@ struct fsp3y_data { struct pmbus_driver_info info; int chip; int page; + + bool vout_linear_11; }; #define to_fsp3y_data(x) container_of(x, struct fsp3y_data, info) @@ -108,11 +110,9 @@ static int fsp3y_read_byte_data(struct i2c_client *client, int page, int reg) int rv; /* - * YH5151-E outputs vout in linear11. The conversion is done when - * reading. Here, we have to inject pmbus_core with the correct - * exponent (it is -6). + * Inject an exponent for non-compliant YH5151-E. */ - if (data->chip == yh5151e && reg == PMBUS_VOUT_MODE) + if (data->vout_linear_11 && reg == PMBUS_VOUT_MODE) return 0x1A; rv = set_page(client, page); @@ -161,10 +161,9 @@ static int fsp3y_read_word_data(struct i2c_client *client, int page, int phase, return rv; /* - * YH-5151E is non-compliant and outputs output voltages in linear11 - * instead of linear16. + * Handle YH-5151E non-compliant linear11 vout voltage. */ - if (data->chip == yh5151e && reg == PMBUS_READ_VOUT) + if (data->vout_linear_11 && reg == PMBUS_READ_VOUT) rv = sign_extend32(rv, 10) & 0xffff; return rv; @@ -256,6 +255,25 @@ static int fsp3y_probe(struct i2c_client *client) data->info = fsp3y_info[data->chip]; + /* + * YH-5151E sometimes reports vout in linear11 and sometimes in + * linear16. This depends on the exact individual piece of hardware. One + * YH-5151E can use linear16 and another might use linear11 instead. + * + * The format can be recognized by reading VOUT_MODE - if it doesn't + * report a valid exponent, then vout uses linear11. Otherwise, the + * device is compliant and uses linear16. + */ + data->vout_linear_11 = false; + if (data->chip == yh5151e) { + rv = i2c_smbus_read_byte_data(client, PMBUS_VOUT_MODE); + if (rv < 0) + return rv; + + if (rv == 0xFF) + data->vout_linear_11 = true; + } + return pmbus_do_probe(client, &data->info); } diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c index 40597a9e799f..1a8caff1ac5f 100644 --- a/drivers/hwmon/pmbus/isl68137.c +++ b/drivers/hwmon/pmbus/isl68137.c @@ -244,8 +244,8 @@ static int isl68137_probe(struct i2c_client *client) info->read_word_data = raa_dmpvr2_read_word_data; break; case raa_dmpvr2_2rail_nontc: - info->func[0] &= ~PMBUS_HAVE_TEMP; - info->func[1] &= ~PMBUS_HAVE_TEMP; + info->func[0] &= ~PMBUS_HAVE_TEMP3; + info->func[1] &= ~PMBUS_HAVE_TEMP3; fallthrough; case raa_dmpvr2_2rail: info->pages = 2; diff --git a/drivers/hwmon/pmbus/q54sj108a2.c b/drivers/hwmon/pmbus/q54sj108a2.c index b6e8b20466f1..fa298b4265a1 100644 --- a/drivers/hwmon/pmbus/q54sj108a2.c +++ b/drivers/hwmon/pmbus/q54sj108a2.c @@ -299,7 +299,7 @@ static int q54sj108a2_probe(struct i2c_client *client) dev_err(&client->dev, "Failed to read Manufacturer ID\n"); return ret; } - if (ret != 5 || strncmp(buf, "DELTA", 5)) { + if (ret != 6 || strncmp(buf, "DELTA", 5)) { buf[ret] = '\0'; dev_err(dev, "Unsupported Manufacturer ID '%s'\n", buf); return -ENODEV; |