Since we already know the state of the autocomp enablement, we can see if the requested state is different from the current state and enable/disable SR only on the need basis. Signed-off-by: Nishanth Menon <nm@xxxxxx> --- arch/arm/mach-omap2/smartreflex.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 8cad92d..4fc679e 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -819,10 +819,13 @@ static int omap_sr_autocomp_store(void *data, u64 val) return -EINVAL; } - if (!val) - sr_stop_vddautocomp(sr_info); - else - sr_start_vddautocomp(sr_info); + /* control enable/disable only if there is a delta in value */ + if (sr_info->autocomp_active ^ val) { + if (!val) + sr_stop_vddautocomp(sr_info); + else + sr_start_vddautocomp(sr_info); + } return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html