On 09/15/13 17:17, Jonathan Cameron wrote: > On 09/10/13 22:02, Matthias Kaehlcke wrote: >> The calculation of the old conversion timeout value was based on the number of >> channels used by this driver. This doesn't take into account that other channels >> can be used by the touchscreen driver. Adjust the timeout value to the maximum >> if the touchscreen driver is enabled >> >> Signed-off-by: Matthias Kaehlcke <matthias@xxxxxxxxxxxx> > Hmm... This is a bit of an uggly solution. Can we do anything neater via some > callbacks in the underlying mfd? Rachna, any thoughts on this? Ah, Rachna's email is dead. So, anyone else care to comment? > > If not I'm happy to take this as fixing a real problem and we can tidy up later > if needed. > > Jonathan >> --- >> drivers/iio/adc/ti_am335x_adc.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c >> index 3ceac3e..898fc78 100644 >> --- a/drivers/iio/adc/ti_am335x_adc.c >> +++ b/drivers/iio/adc/ti_am335x_adc.c >> @@ -146,7 +146,11 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, >> bool found = false; >> u32 step_en; >> unsigned long timeout = jiffies + usecs_to_jiffies >> +#ifdef CONFIG_TOUCHSCREEN_TI_AM335X_TSC >> + (IDLE_TIMEOUT * TOTAL_CHANNELS); >> +#else >> (IDLE_TIMEOUT * adc_dev->channels); >> +#endif >> step_en = get_adc_step_mask(adc_dev); >> am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en); >> >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html