[PATCH 4/4] regulator/driver: be more specific in nanodoc for is_enabled

[Wolfram Sang]

Document the possibility that is_enabled may also return with negative
errorcodes.

Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
---
 include/linux/regulator/driver.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 225f733..2b69b47 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -37,7 +37,8 @@ enum regulator_status {
  *
  * @enable: Configure the regulator as enabled.
  * @disable: Configure the regulator as disabled.
- * @is_enabled: Return 1 if the regulator is enabled, 0 otherwise.
+ * @is_enabled: Return 1 if the regulator is enabled, 0 if not.
+ *		May also return negative errno.
  *
  * @set_voltage: Set the voltage for the regulator within the range specified.
  *               The driver should select the voltage closest to min_uV.
-- 
1.6.3.3

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