linux-kernel - [PATCH v2 1/3] regulator: core: Add the opmode to regulator

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Message-Id: <20180816202803.250079-2-dianders@chromium.org>
Date:   Thu, 16 Aug 2018 13:28:01 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     broonie@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, bjorn.andersson@...aro.org,
        collinsd@...eaurora.org, swboyd@...omium.org,
        Douglas Anderson <dianders@...omium.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] regulator: core: Add the opmode to regulator_summary

It's handy to know what opmode a regulator has been configured to in
the summary.  Add it.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

Changes in v2: None

 drivers/regulator/core.c | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6ed568b96c0e..00e931da887a 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -426,19 +426,24 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RO(name);
 
-static ssize_t regulator_print_opmode(char *buf, int mode)
+static const char *regulator_opmode_to_str(int mode)
 {
 	switch (mode) {
 	case REGULATOR_MODE_FAST:
-		return sprintf(buf, "fast\n");
+		return "fast";
 	case REGULATOR_MODE_NORMAL:
-		return sprintf(buf, "normal\n");
+		return "normal";
 	case REGULATOR_MODE_IDLE:
-		return sprintf(buf, "idle\n");
+		return "idle";
 	case REGULATOR_MODE_STANDBY:
-		return sprintf(buf, "standby\n");
+		return "standby";
 	}
-	return sprintf(buf, "unknown\n");
+	return "unknown";
+}
+
+static ssize_t regulator_print_opmode(char *buf, int mode)
+{
+	return sprintf(buf, "%s\n", regulator_opmode_to_str(mode));
 }
 
 static ssize_t regulator_opmode_show(struct device *dev,
@@ -4660,10 +4665,11 @@ static void regulator_summary_show_subtree(struct seq_file *s,
 	if (!rdev)
 		return;
 
-	seq_printf(s, "%*s%-*s %3d %4d %6d ",
+	seq_printf(s, "%*s%-*s %3d %4d %6d %7s ",
 		   level * 3 + 1, "",
 		   30 - level * 3, rdev_get_name(rdev),
-		   rdev->use_count, rdev->open_count, rdev->bypass_count);
+		   rdev->use_count, rdev->open_count, rdev->bypass_count,
+		   regulator_opmode_to_str(_regulator_get_mode(rdev)));
 
 	seq_printf(s, "%5dmV ", _regulator_get_voltage(rdev) / 1000);
 	seq_printf(s, "%5dmA ", _regulator_get_current_limit(rdev) / 1000);
@@ -4695,7 +4701,7 @@ static void regulator_summary_show_subtree(struct seq_file *s,
 
 		switch (rdev->desc->type) {
 		case REGULATOR_VOLTAGE:
-			seq_printf(s, "%37dmV %5dmV",
+			seq_printf(s, "%45dmV %5dmV",
 				   consumer->voltage[PM_SUSPEND_ON].min_uV / 1000,
 				   consumer->voltage[PM_SUSPEND_ON].max_uV / 1000);
 			break;
@@ -4727,8 +4733,8 @@ static int regulator_summary_show_roots(struct device *dev, void *data)
 
 static int regulator_summary_show(struct seq_file *s, void *data)
 {
-	seq_puts(s, " regulator                      use open bypass voltage current     min     max\n");
-	seq_puts(s, "-------------------------------------------------------------------------------\n");
+	seq_puts(s, " regulator                      use open bypass  opmode voltage current     min     max\n");
+	seq_puts(s, "---------------------------------------------------------------------------------------\n");
 
 	class_for_each_device(&regulator_class, NULL, s,
 			      regulator_summary_show_roots);
-- 
2.18.0.865.gffc8e1a3cd6-goog