Am Montag, den 28.09.2015, 23:33 +0200 schrieb Petr Cvek: > This patch changes fast_mode settings for the normal and power I2C > controller on the HTC Magician machine. > > Connected device on the Power I2C: > - MAX1587A: working in the fast mode > > Connected devices on the Normal I2C: > - UDA1380: working in the fast mode > - OV9640: bus became stuck in the fast mode > > The OV9640 is not using a standard I2C protocol, but an SCCB variant. > Maybe > it is not fully compatible in the fast mode. Therefore fast mode for > normal > I2C is disabled. If you not using the OV9640 then you can enable the > fast > mode for the UDA1380. > > Signed-off-by: Petr Cvek <[email protected]> > --- > arch/arm/mach-pxa/magician.c | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach > -pxa/magician.c > index 906df6d..86d395d 100644 > --- a/arch/arm/mach-pxa/magician.c > +++ b/arch/arm/mach-pxa/magician.c > @@ -818,7 +818,16 @@ static struct platform_device strataflash = { > */ > > static struct i2c_pxa_platform_data i2c_info = { > - .fast_mode = 1, > + /* FIXME both I2C devices should support fast mode */
Maybe add the info from the commit description here (it's OV9640 that doesn't support fast mode). Otherwise, Acked-by: Philipp Zabel <[email protected]> regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
