diff options
| author | Eduardo Valentin <eduardo.valentin@ti.com> | 2013-04-01 12:04:33 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 12:27:28 -0700 |
| commit | 422a3063802c9c1f9ef1bf7daa71038b91aff2ab (patch) | |
| tree | da603444ef7dfd87f395a3ae9e4ddec6a195457d /drivers/staging/ti-soc-thermal | |
| parent | af56976dd21efe8e91d5175913c2b1f7be91c651 (diff) | |
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 <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ti-soc-thermal')
| -rw-r--r-- | 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 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; } /** |