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FMC ADC 100M 14b 4cha
Commit ea517d8b authored by Federico Vaga's avatar Federico Vaga
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lib: bugfix: disable trigger _only_ when writing config 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 983a1ad3
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Showing with 12 additions and 10 deletions
lib/config-zio.c
View file @ ea517d8b
......@@ -330,15 +330,17 @@ static int fmcadc_zio_config(struct __fmcadc_dev_zio *fa, unsigned int flags,
int err, i;
uint32_t enabled;
err = fa_zio_sysfs_get(fa, "cset0/trigger/enable", &enabled);
if (err)
return err;
if (enabled) {
/* disable the trigger before changing config */
enabled = 0;
err = fa_zio_sysfs_set(fa, "cset0/trigger/enable", &enabled);
/* restore the initial value */
enabled = 1;
/* Disabling the trigger before changing configuration */
if (direction) {
err = fa_zio_sysfs_get(fa, "cset0/trigger/enable", &enabled);
if (err)
return err;
if (enabled) {
enabled = 0;
err = fa_zio_sysfs_set(fa, "cset0/trigger/enable", &enabled);
/* restore the initial value */
enabled = 1;
}
}
for (i = 0; i < __FMCADC_CONF_LEN; ++i) {
......@@ -377,7 +379,7 @@ static int fmcadc_zio_config(struct __fmcadc_dev_zio *fa, unsigned int flags,
}
/* if the trigger was enabled restore it */
if (enabled)
if (direction && enabled)
err |= fa_zio_sysfs_set(fa, "cset0/trigger/enable", &enabled);
return err;
}
......
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