[PATCH 4/8] backlight: ot200_bl: use devm_backlight_device_register()

2013-12-01 Thread Jingoo Han 
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han 
---
 drivers/video/backlight/ot200_bl.c |9 +++--
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/ot200_bl.c 
b/drivers/video/backlight/ot200_bl.c
index fdbb6ee..f5a5202 100644
--- a/drivers/video/backlight/ot200_bl.c
+++ b/drivers/video/backlight/ot200_bl.c
@@ -118,8 +118,9 @@ static int ot200_backlight_probe(struct platform_device 
*pdev)
props.brightness = 100;
props.type = BACKLIGHT_RAW;
 
-   bl = backlight_device_register(dev_name(>dev), >dev, data,
-   _backlight_ops, );
+   bl = devm_backlight_device_register(>dev, dev_name(>dev),
+   >dev, data, _backlight_ops,
+   );
if (IS_ERR(bl)) {
dev_err(>dev, "failed to register backlight\n");
retval = PTR_ERR(bl);
@@ -137,10 +138,6 @@ error_devm_kzalloc:
 
 static int ot200_backlight_remove(struct platform_device *pdev)
 {
-   struct backlight_device *bl = platform_get_drvdata(pdev);
-
-   backlight_device_unregister(bl);
-
/* on module unload set brightness to 100% */
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0);
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN);
-- 
1.7.10.4


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[PATCH 4/8] backlight: ot200_bl: use devm_backlight_device_register()

2013-12-01 Thread Jingoo Han 
Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han jg1@samsung.com
---
 drivers/video/backlight/ot200_bl.c |9 +++--
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/video/backlight/ot200_bl.c 
b/drivers/video/backlight/ot200_bl.c
index fdbb6ee..f5a5202 100644
--- a/drivers/video/backlight/ot200_bl.c
+++ b/drivers/video/backlight/ot200_bl.c
@@ -118,8 +118,9 @@ static int ot200_backlight_probe(struct platform_device 
*pdev)
props.brightness = 100;
props.type = BACKLIGHT_RAW;
 
-   bl = backlight_device_register(dev_name(pdev-dev), pdev-dev, data,
-   ot200_backlight_ops, props);
+   bl = devm_backlight_device_register(pdev-dev, dev_name(pdev-dev),
+   pdev-dev, data, ot200_backlight_ops,
+   props);
if (IS_ERR(bl)) {
dev_err(pdev-dev, failed to register backlight\n);
retval = PTR_ERR(bl);
@@ -137,10 +138,6 @@ error_devm_kzalloc:
 
 static int ot200_backlight_remove(struct platform_device *pdev)
 {
-   struct backlight_device *bl = platform_get_drvdata(pdev);
-
-   backlight_device_unregister(bl);
-
/* on module unload set brightness to 100% */
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0);
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN);
-- 
1.7.10.4


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