Messages in this thread Patch in this message | | | Date | Sun, 18 Jan 2015 21:24:47 +0100 | From | Pavel Machek <> | Subject | [PATCHv2] ti-soc-thermal: request temperature periodically if hw can't do that itself |
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When periodic mode is not enabled, it is neccessary to force reads.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index 634b6ce..2fde78c 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -43,6 +43,8 @@ #include "ti-bandgap.h" +static int ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id); + /*** Helper functions to access registers and their bitfields ***/ /** @@ -852,14 +831,21 @@ int ti_bandgap_read_temperature(struct ti_bandgap *bgp, int id, if (ret) return ret; + if (!TI_BANDGAP_HAS(bgp, MODE_CONFIG)) { + ret = ti_bandgap_force_single_read(bgp, id); + if (ret) + return ret; + } + spin_lock(&bgp->lock); temp = ti_bandgap_read_temp(bgp, id);
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