Improve ti_bandgap_power by returning an error code in case the device does not support controlling its power state. Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx> --- drivers/staging/ti-soc-thermal/ti-bandgap.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/staging/ti-soc-thermal/ti-bandgap.c b/drivers/staging/ti-soc-thermal/ti-bandgap.c index d479e50..a6aa75f 100644 --- a/drivers/staging/ti-soc-thermal/ti-bandgap.c +++ b/drivers/staging/ti-soc-thermal/ti-bandgap.c @@ -100,17 +100,19 @@ do { \ */ static int ti_bandgap_power(struct ti_bandgap *bgp, bool on) { - int i; + int i, ret = 0; - if (!TI_BANDGAP_HAS(bgp, POWER_SWITCH)) + if (!TI_BANDGAP_HAS(bgp, POWER_SWITCH)) { + ret = -ENOTSUPP; goto exit; + } for (i = 0; i < bgp->conf->sensor_count; i++) /* active on 0 */ RMW_BITS(bgp, i, temp_sensor_ctrl, bgap_tempsoff_mask, !on); exit: - return 0; + return ret; } /** -- 1.7.7.1.488.ge8e1c _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel