diff options
| author | Guido Günther <agx@sigxcpu.org> | 2019-09-21 23:12:08 +0200 |
|---|---|---|
| committer | Pavel <pavel@ucw.cz> | 2019-11-03 17:37:40 +0100 |
| commit | 1051da2cfc7ef37ffc3e7a595dc80fefb41f09ad (patch) | |
| tree | d4b486fc28a6ef8c819b2d915ca7559f13f8e13c /drivers/leds | |
| parent | leds: tlc591xx: use devm_led_classdev_register_ext() (diff) | |
| download | linux-1051da2cfc7ef37ffc3e7a595dc80fefb41f09ad.tar.xz linux-1051da2cfc7ef37ffc3e7a595dc80fefb41f09ad.zip | |
leds: lm3692x: Print error value on dev_err
This gives a way better idea what is going on.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lm3692x.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c index 3d381f2f73d0..487228c2bed2 100644 --- a/drivers/leds/leds-lm3692x.c +++ b/drivers/leds/leds-lm3692x.c @@ -174,19 +174,20 @@ static int lm3692x_brightness_set(struct led_classdev *led_cdev, ret = lm3692x_fault_check(led); if (ret) { - dev_err(&led->client->dev, "Cannot read/clear faults\n"); + dev_err(&led->client->dev, "Cannot read/clear faults: %d\n", + ret); goto out; } ret = regmap_write(led->regmap, LM3692X_BRT_MSB, brt_val); if (ret) { - dev_err(&led->client->dev, "Cannot write MSB\n"); + dev_err(&led->client->dev, "Cannot write MSB: %d\n", ret); goto out; } ret = regmap_write(led->regmap, LM3692X_BRT_LSB, led_brightness_lsb); if (ret) { - dev_err(&led->client->dev, "Cannot write LSB\n"); + dev_err(&led->client->dev, "Cannot write LSB: %d\n", ret); goto out; } out: @@ -203,7 +204,7 @@ static int lm3692x_init(struct lm3692x_led *led) ret = regulator_enable(led->regulator); if (ret) { dev_err(&led->client->dev, - "Failed to enable regulator\n"); + "Failed to enable regulator: %d\n", ret); return ret; } } @@ -213,7 +214,8 @@ static int lm3692x_init(struct lm3692x_led *led) ret = lm3692x_fault_check(led); if (ret) { - dev_err(&led->client->dev, "Cannot read/clear faults\n"); + dev_err(&led->client->dev, "Cannot read/clear faults: %d\n", + ret); goto out; } @@ -409,7 +411,8 @@ static int lm3692x_remove(struct i2c_client *client) ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN, 0); if (ret) { - dev_err(&led->client->dev, "Failed to disable regulator\n"); + dev_err(&led->client->dev, "Failed to disable regulator: %d\n", + ret); return ret; } @@ -420,7 +423,7 @@ static int lm3692x_remove(struct i2c_client *client) ret = regulator_disable(led->regulator); if (ret) dev_err(&led->client->dev, - "Failed to disable regulator\n"); + "Failed to disable regulator: %d\n", ret); } mutex_destroy(&led->lock); |