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Philipp Zabel c8f1e5025c regulator/max1586: fix V3 gain calculation integer overflow ... On Thu, May 28, 2009 at 10:59 AM, Mark Brown <broonie@opensource.wolfsonmicro.com> wrote: > On Thu, May 28, 2009 at 07:15:16AM +0200, Philipp Zabel wrote: >> The V3 regulator can be configured with an external resistor >> connected to the feedback pin (R24 in the data sheet) to >> increase the voltage range. >> >> For example, hx4700 has R24 = 3.32 kOhm to achieve a maximum >> V3 voltage of 1.55 V which is needed for 624 MHz CPU frequency. >> >> Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> > > Looks good. > > Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Thanks, but it turns out I hit a 32 bit integer overflow in the gain calculation. I'd like to mend that with the following patch. Now max_uV could be increased up to 4.294 V, enough to charge LiPo cells. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>		16 years ago
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Kconfig	LP3971 PMIC regulator driver (updated and combined version)	16 years ago
Makefile	LP3971 PMIC regulator driver (updated and combined version)	16 years ago
bq24022.c	…
core.c	…
da903x.c	…
fixed.c	regulator: Set MODULE_ALIAS for regulator drivers	16 years ago
lp3971.c	regulator: lp3971 - fix driver link error when built-in.	16 years ago
max1586.c	regulator/max1586: fix V3 gain calculation integer overflow	16 years ago
pcf50633-regulator.c	…
twl4030-regulator.c	…
userspace-consumer.c	…
virtual.c	regulator: Set MODULE_ALIAS for regulator drivers	16 years ago
wm8350-regulator.c	regulator: Set MODULE_ALIAS for regulator drivers	16 years ago
wm8400-regulator.c	regulator: remove driver_data direct access of struct device	16 years ago