Messages in this thread Patch in this message | | | Date | Mon, 27 Feb 2012 17:02:07 -0800 | From | Greg KH <> | Subject | [ 04/73] hwmon: (max6639) Fix PPR register initialization to set both channels |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Chris D Schimp <silverchris@gmail.com>
commit 2f2da1ac0ba5b6cc6e1957c4da5ff20e67d8442b upstream.
Initialize PPR register for both channels, and set correct PPR register bits. Also remove unnecessary variable initializations.
Signed-off-by: Chris D Schimp <silverchris@gmail.com> [guenter.roeck@ericsson.com: Merged two patches into one] Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/hwmon/max6639.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-)
--- a/drivers/hwmon/max6639.c +++ b/drivers/hwmon/max6639.c @@ -429,9 +429,9 @@ static int max6639_init_client(struct i2 struct max6639_data *data = i2c_get_clientdata(client); struct max6639_platform_data *max6639_info = client->dev.platform_data; - int i = 0; + int i; int rpm_range = 1; /* default: 4000 RPM */ - int err = 0; + int err; /* Reset chip to default values, see below for GCONFIG setup */ err = i2c_smbus_write_byte_data(client, MAX6639_REG_GCONFIG, @@ -446,11 +446,6 @@ static int max6639_init_client(struct i2 else data->ppr = 2; data->ppr -= 1; - err = i2c_smbus_write_byte_data(client, - MAX6639_REG_FAN_PPR(i), - data->ppr << 5); - if (err) - goto exit; if (max6639_info) rpm_range = rpm_range_to_reg(max6639_info->rpm_range); @@ -458,6 +453,13 @@ static int max6639_init_client(struct i2 for (i = 0; i < 2; i++) { + /* Set Fan pulse per revolution */ + err = i2c_smbus_write_byte_data(client, + MAX6639_REG_FAN_PPR(i), + data->ppr << 6); + if (err) + goto exit; + /* Fans config PWM, RPM */ err = i2c_smbus_write_byte_data(client, MAX6639_REG_FAN_CONFIG1(i),
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