From 422a3063802c9c1f9ef1bf7daa71038b91aff2ab Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Mon, 1 Apr 2013 12:04:33 -0400 Subject: staging: ti-soc-thermal: return error in case power switch is not supported 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ti-soc-thermal/ti-bandgap.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/staging/ti-soc-thermal') diff --git a/drivers/staging/ti-soc-thermal/ti-bandgap.c b/drivers/staging/ti-soc-thermal/ti-bandgap.c index d479e507b8b1..a6aa75f6302c 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; } /** -- cgit v1.2.3