On Fri, Mar 14, 2014 at 08:05:31PM +0100, Alexandre Belloni wrote: > pwm-leds calls .config() and .disable() in a row. This exhibits that it may > happen that the channel gets disabled before CDTY has been updated with CUPD. > The issue gets quite worse with long periods. > So, ensure by reading ISR that at least one period has past before disabling > the > channel. > > The other issue is that it may happen that CUPD is not flushed before enabling > the channel so it will update CDTY/CPRD just after one period. So we always > set > CUPD, even when the channel is not enabled. > > Tested on at91sam9g45 and sama5d31ek. > > Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com> > --- > drivers/pwm/pwm-atmel.c | 46 +++++++++++++++++++++++++++++----------------- > 1 file changed, 29 insertions(+), 17 deletions(-)
Hi Alexandre, going through the list of unapplied patches I came across this old patch. It was never reviewed nor acked by anyone and you didn't ping me, so I always assumed it must no longer be required. Is that so? Thierry
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