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hwmon: (w83627ehf) Force initial bank selection

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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>
Cc: stable@vger.kernel.org
This commit is contained in:
Jean Delvare 2012-11-05 21:54:39 +01:00 committed by Jean Delvare
parent 3d70f8c617
commit 3300fb4f88
1 changed files with 1 additions and 0 deletions
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drivers/hwmon/w83627ehf.c
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@ -2083,6 +2083,7 @@ 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 */