From: David Brownell <[EMAIL PROTECTED]>
Add REGULATOR_MODE_OFF (zero) as a valid option ...
Update the display of regulator_ops.get_mode() values to report
the mode as "off" if it's neither an error (negative number)
nor one of the defined REGISTER_MODE_* constants.
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
---
Documentation/ABI/testing/sysfs-class-regulator | 1 +
drivers/regulator/core.c | 2 ++
include/linux/regulator/consumer.h | 12 +++++++++++-
3 files changed, 14 insertions(+), 1 deletion(-)
--- a/Documentation/ABI/testing/sysfs-class-regulator
+++ b/Documentation/ABI/testing/sysfs-class-regulator
@@ -95,6 +95,7 @@ Description:
'normal'
'idle'
'standby'
+ 'off'
'unknown'
The modes are described in include/linux/regulator/consumer.h
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -280,6 +280,8 @@ static ssize_t regulator_print_opmode(ch
return sprintf(buf, "idle\n");
case REGULATOR_MODE_STANDBY:
return sprintf(buf, "standby\n");
+ case REGULATOR_MODE_OFF:
+ return sprintf(buf, "off\n");
}
return sprintf(buf, "unknown\n");
}
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -71,9 +71,19 @@
* NOTE: Most regulators will only support a subset of these modes. Some
* will only just support NORMAL.
*
- * These modes can be OR'ed together to make up a mask of valid register modes.
+ * These modes can be OR'ed together to make up a mask of the modes which
+ * may be passed, one at a time, to regulator_set_mode().
+ *
+ * Additionally, two more regulator states are reported in some cases
+ * by regulator_get_mode():
+ *
+ * OFF Regulator supplies no current or voltage; very efficient.
+ *
+ * error These values are indicated by negative errno codes, and
+ * represent various out-of-regulation states.
*/
+#define REGULATOR_MODE_OFF 0x0
#define REGULATOR_MODE_FAST 0x1
#define REGULATOR_MODE_NORMAL 0x2
#define REGULATOR_MODE_IDLE 0x4
--
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