[lm-sensors] [PATCH] hwmon: max6639: Fix CONFIG_PM compile option

[Guenter Roeck]

On Sat, Mar 24, 2012 at 02:36:08PM -0400, Roland Stigge wrote:
> This patch fixes a compiler warning in case CONFIG_PM is not defined
> 
> Signed-off-by: Roland Stigge <stigge at antcom.de>
> 
> ---
> 
>  This solves the issue recently encountered by Kurt Roeck in the nightly build.
> 
>  The solution with #ifdef's is done as in all the other drivers.
> 
>  drivers/hwmon/max6639.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> --- linux-2.6.orig/drivers/hwmon/max6639.c
> +++ linux-2.6/drivers/hwmon/max6639.c
> @@ -596,6 +596,7 @@ static int max6639_remove(struct i2c_cli
>  	return 0;
>  }
>  
> +#ifdef CONFIG_PM

Looking into other drivers, I think that should be CONFIG_PM_SLEEP

>  static int max6639_suspend(struct device *dev)
>  {
>  	struct i2c_client *client = to_i2c_client(dev);
> @@ -617,6 +618,10 @@ static int max6639_resume(struct device
>  	return i2c_smbus_write_byte_data(client,
>  			MAX6639_REG_GCONFIG, data & ~MAX6639_GCONFIG_STANDBY);
>  }
> +#else
> +#define max6639_suspend NULL
> +#define max6639_resume NULL
> +#endif
>  
... and that else case should not be necessary.

Oh well, now I ended up looking into it anyway ... so I just added the missing #ifdef to Mark's patch.

Thanks,
Guenter