diff for duplicates of <20190105012642.GA18025@Asurada-Nvidia.nvidia.com> diff --git a/a/1.txt b/N1/1.txt index dfa321d..cca399b 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -2,7 +2,7 @@ Hi Stefan, Sorry for a super late reply. I took a long vacation. -On Wed, Nov 21, 2018 at 10:16:09PM +0000, Brüns, Stefan wrote: +On Wed, Nov 21, 2018 at 10:16:09PM +0000, Brüns, Stefan wrote: > > > Another concern may be voltage drop over the shunt, but for this case you > > > have a nominal voltage of 1.8V, so 30uV are 0.001%. > > > @@ -21,7 +21,8 @@ On Wed, Nov 21, 2018 at 10:16:09PM +0000, Brüns, Stefan wrote: > > the matter here. With a 62.5mW power_lsb, power results are kinda > > useless on my system. > -> The reported current does not matter here, actually. Internally, the ADC value +> The reported current does not matter here, actually. Internally, the ADC +> value > will have an uncertainty of 10mA (at PGA=1). At 1.8V, your uncertainty is > 18mW. And thats *only* the quantization noise. It wont get better than that. diff --git a/a/content_digest b/N1/content_digest index 99f8add..7fb5f32 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,25 +1,15 @@ "ref\020181121012629.5432-1-nicoleotsuka@gmail.com\0" - "ref\02863036.QIPGp1Eqjm@sbruens-linux.lcs.intern\0" - "ref\020181121194051.GA8902@Asurada-Nvidia.nvidia.com\0" - "ref\01717545.GXSegKtrMu@sbruens-linux.lcs.intern\0" "From\0Nicolin Chen <nicoleotsuka@gmail.com>\0" "Subject\0Re: [RFC][PATCH] hwmon: (ina2xx) Improve current and power reading precision\0" - "Date\0Fri, 4 Jan 2019 17:26:43 -0800\0" - "To\0Br\303\274ns" - " Stefan <Stefan.Bruens@rwth-aachen.de>\0" - "Cc\0jdelvare@suse.com <jdelvare@suse.com>" - linux@roeck-us.net <linux@roeck-us.net> - linux-hwmon@vger.kernel.org <linux-hwmon@vger.kernel.org> - linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org> - corbet@lwn.net <corbet@lwn.net> - " linux-doc@vger.kernel.org <linux-doc@vger.kernel.org>\0" + "Date\0Fri, 04 Jan 2019 17:26:58 -0800\0" + "To\0linux-hwmon@vger.kernel.org\0" "\00:1\0" "b\0" "Hi Stefan,\n" "\n" "Sorry for a super late reply. I took a long vacation.\n" "\n" - "On Wed, Nov 21, 2018 at 10:16:09PM +0000, Br\303\274ns, Stefan wrote:\n" + "On Wed, Nov 21, 2018 at 10:16:09PM +0000, Br\303\203\302\274ns, Stefan wrote:\n" "> > > Another concern may be voltage drop over the shunt, but for this case you\n" "> > > have a nominal voltage of 1.8V, so 30uV are 0.001%.\n" "> > > \n" @@ -38,7 +28,8 @@ "> > the matter here. With a 62.5mW power_lsb, power results are kinda\n" "> > useless on my system.\n" "> \n" - "> The reported current does not matter here, actually. Internally, the ADC value \n" + "> The reported current does not matter here, actually. Internally, the ADC \n" + "> value \n" "> will have an uncertainty of 10mA (at PGA=1). At 1.8V, your uncertainty is \n" "> 18mW. And thats *only* the quantization noise. It wont get better than that.\n" "\n" @@ -68,4 +59,4 @@ "Thanks\n" Nicolin -e600510366dabeece2a2454d72a170ee4d11c9d0e60e0e50eede3a1b805681c2 +2adb05159fe0d32dd0cec67c30fe2155d0b31cbda49336c379cc633fac3127ab
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