Document function which reads temperature register, depending on
bandgap device version.
Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
---
drivers/staging/omap-thermal/omap-bandgap.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index 62a5fb9..02817b5 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -109,6 +109,16 @@ exit:
return 0;
}
+/**
+ * omap_bandgap_read_temp() - helper function to read sensor temperature
+ * @bg_ptr: pointer to omap_bandgap structure
+ * @id: bandgap sensor id
+ *
+ * Function to concentrate the steps to read sensor temperature register.
+ * This function is desired because, depending on bandgap device version,
+ * it might be needed to freeze the bandgap state machine, before fetching
+ * the register value.
+ */
static u32 omap_bandgap_read_temp(struct omap_bandgap *bg_ptr, int id)
{
struct temp_sensor_registers *tsr;
--
1.7.7.1.488.ge8e1c
--
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