Re: [PATCH] sensors-detect: Add support for NXP/Philips SA56004

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Hi Guenter,

Again, sorry for the late review.

On Sun, 26 Jun 2011 13:38:36 -0700, Guenter Roeck wrote:
> Index: prog/detect/sensors-detect
> ===================================================================
> --- prog/detect/sensors-detect	(revision 5980)
> +++ prog/detect/sensors-detect	(working copy)
> @@ -1055,6 +1055,11 @@
>  		i2c_addrs => [0x4c..0x4d],
>  		i2c_detect => sub { lm90_detect(@_, 13); },
>  	}, {
> +		name => "NXP/Philips SA56004",
> +		driver => "lm90",
> +		i2c_addrs => [0x48..0x4f],
> +		i2c_detect => sub { lm90_detect(@_, 14); },
> +	}, {
>  		name => "Analog Devices ADT7481",
>  		driver => "to-be-written",
>  		i2c_addrs => [0x4c, 0x4b],
> @@ -4352,7 +4357,7 @@
>  #		  6 = MAX6646/MAX6647/MAX6648/MAX6649/MAX6692,
>  #		  8 = W83L771W/G, 9 = TMP401, 10 = TMP411,
>  #		  11 = W83L771AWG/ASG, 12 = MAX6690,
> -#		  13 = ADT7461A/NCT1008
> +#		  13 = ADT7461A/NCT1008, 14 = SA56004
>  # Registers used:
>  #   0x03: Configuration
>  #   0x04: Conversion rate
> @@ -4457,6 +4462,12 @@
>  		return if $mid != 0x41;		# Analog Devices
>  		return 8 if $cid == 0x57;	# ADT7461A, NCT1008
>  	}
> +	if ($chip == 14) {
> +		return if ($conf & 0x2a) != 0;
> +		return if $rate > 0x09;
> +		return if $mid != 0xa1;		# NXP Semiconductor/Philips
> +		return 8 if $cid == 0x00;	# SA56004

A device ID of 0, unfortunately, is very fragile and thus certainly
doesn't deserve a confidence value of 8. 6, tops. It would also make
sense to check the unused bits in register 0xbf (Alert Mode / $conf2)
for this device, to make the detection somewhat more reliable, as we do
for many other LM90-compatible chips.

> +	}
>  	return;
>  }
>  
> Index: CHANGES
> ===================================================================
> --- CHANGES	(revision 5980)
> +++ CHANGES	(working copy)
> @@ -15,6 +15,7 @@
>                    Add detection of SMSC EMC2300
>                    Add detection of MAX6642
>                    Add detection of ITE IT8772E
> +                  Add detection of SE56004

You mean SA.

>  
>  3.3.0 (2011-03-28)
>    Makefile: Check for bison and flex

-- 
Jean Delvare

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