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authorJean Delvare <khali@linux-fr.org>2012-11-05 21:54:39 +0100
committerBen Hutchings <ben@decadent.org.uk>2012-11-16 16:47:09 +0000
commite636bd393f3e2aad218933fb879caacb2d112738 (patch)
tree8c39e03f45c04b270ccd516987bf6e98e56dc6f2 /drivers/hwmon
parent4ab8c7f8b9dbd7d20960f2e430c7d9c0eac3fa88 (diff)
hwmon: (w83627ehf) Force initial bank selection
commit 3300fb4f88688029fff8dfb9ec0734f6e4cba3e7 upstream. Don't assume bank 0 is selected at device probe time. This may not be the case. Force bank selection at first register access to guarantee that we read the right registers upon driver loading. Signed-off-by: Jean Delvare <khali@linux-fr.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/w83627ehf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index ceaec92e91b4..b6a3ce3903c6 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -2015,6 +2015,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
mutex_init(&data->lock);
mutex_init(&data->update_lock);
data->name = w83627ehf_device_names[sio_data->kind];
+ data->bank = 0xff; /* Force initial bank selection */
platform_set_drvdata(pdev, data);
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */