From: Rain Wang <Rain_Wang@Jabil.com> To: Guenter Roeck <firstname.lastname@example.org>, Jean Delvare <email@example.com> Cc: "firstname.lastname@example.org" <email@example.com>, "firstname.lastname@example.org" <email@example.com> Subject: Re: [PATCH] lm75: add lm75b detection Date: Thu, 7 Nov 2019 06:18:01 +0000 Message-ID: <MN2PR02MB67038B3F8DF699BD0C462C458D780@MN2PR02MB6703.namprd02.prod.outlook.com> (raw) In-Reply-To: <firstname.lastname@example.org> Sorry for my late reply, >FWIW, I don't think there is anything to implement; I don't see any >differences in functionality. Yes, no functional difference but the detection >I am much more concerned about weakening the already weak detection even further: >As written, each chip with register 0x07 != 0xa1 will be identified as LM75B. >Even if that was strengthened to actually check if the register value is 0xff, >we have no idea what other vendors might implement in those registers. it would >most certainly mis-identify LM75C as LM75B. Not that it really matters if >the chip _is_ a LM75C, but who knows if other chips fit that identification >pattern. Yes, that's also my concern on the code of detection. I don't have any other sensors as LM75C to try, so thinking maybe some other guys can help extend it if needed in future. >Overall, my suggestion is to add a small startup script to affected systems >to instantiate the chip directly, and avoid weakening the detect function. Understood, we can have the instantiating script but just don't want limit the detection. Thanks!
next prev parent reply index Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20191026081049.GA16839@rainw-fedora28-jabil.corp.JABIL.ORG> [not found] ` <email@example.com> 2019-10-28 9:46 ` Jean Delvare 2019-10-29 14:02 ` Guenter Roeck 2019-11-07 6:18 ` Rain Wang [this message] 2019-10-28 11:37 Rain Wang
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