Hi Wolfram, On Thu, 15 May 2008 16:35:27 +0200, Wolfram Sang wrote: > Make the driver check and report error cases when reading from or writing to > the chip. It used to assume 'always success' and could even deliver bogus > values. > > Signed-off-by: Wolfram Sang <[EMAIL PROTECTED]> > --- > > The PCF on my system seems broken, it does not respond (and I can't probe as > my > master doesn't support smbus_quick). The broken chip went unnoticed as the > driver reported some (= bogus) values. So, I can only test the properly > reported error cases, hopefully someone else can confirm the working case. > (Michael and Bart, sorry for double post) > > drivers/i2c/chips/pcf8575.c | 29 +++++++++++++++++++++-------- > 1 files changed, 21 insertions(+), 8 deletions(-)
This driver is deprecated and you should be using drivers/gpio/pcf857x.c instead if you can. That driver properly handles I/O errors as far as I can see. -- Jean Delvare _______________________________________________ i2c mailing list [email protected] http://lists.lm-sensors.org/mailman/listinfo/i2c
