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SubjectRE: [PATCH 1/2] regulator: ad5398: show changing current in uA
Acked-by: Sonic Zhang <sonic.zhang@analog.com>

-----Original Message-----
From: Axel Lin [mailto:axel.lin@gmail.com]
Sent: Tuesday, March 27, 2012 10:08 AM
To: linux-kernel@vger.kernel.org
Cc: Zhang, Sonic; Liam Girdwood; Mark Brown
Subject: [PATCH 1/2] regulator: ad5398: show changing current in uA

Integer division may truncate the result.
Current code shows changing current is 0mA when selector is 1 ... 8.

For example:
selector = 1
ad5398_calc_current returns 117, debug message shows 117/1000 = 0mA
selector = 2
ad5398_calc_current returns 234, debug message shows 234/1000 = 0mA
selector = 3
ad5398_calc_current returns 351, debug message shows 351/1000 = 0mA
............
selector = 8
ad5398_calc_current returns 937, debug message shows 937/1000 = 0mA

Show the changing current in uA makes it easier for debugging.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/ad5398.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 26d23ad..ed58798 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -99,8 +99,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
if (ad5398_calc_current(chip, selector) > max_uA)
return -EINVAL;

- dev_dbg(&client->dev, "changing current %dmA\n",
- ad5398_calc_current(chip, selector) / 1000);
+ dev_dbg(&client->dev, "changing current %duA\n",
+ ad5398_calc_current(chip, selector));

/* read chip enable bit */
ret = ad5398_read_reg(client, &data);
--
1.7.5.4




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