[PATCH] backlight: ams369fg06: make power_on() call optional

[Jingoo Han]

This patch makes power_on() call optional. The voltage source can
be provided to some boards using ams369fg06 panel, thus in this
case, power on/off sequence is not necessary.

Signed-off-by: Jingoo Han 
---
 drivers/video/backlight/ams369fg06.c |8 +++-
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/video/backlight/ams369fg06.c 
b/drivers/video/backlight/ams369fg06.c
index d29e494..c02aa2c 100644
--- a/drivers/video/backlight/ams369fg06.c
+++ b/drivers/video/backlight/ams369fg06.c
@@ -317,10 +317,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd)
pd = lcd->lcd_pd;
bd = lcd->bd;
 
-   if (!pd->power_on) {
-   dev_err(lcd->dev, "power_on is NULL.\n");
-   return -EINVAL;
-   } else {
+   if (pd->power_on) {
pd->power_on(lcd->ld, 1);
msleep(pd->power_on_delay);
}
@@ -370,7 +367,8 @@ static int ams369fg06_power_off(struct ams369fg06 *lcd)
 
msleep(pd->power_off_delay);
 
-   pd->power_on(lcd->ld, 0);
+   if (pd->power_on)
+   pd->power_on(lcd->ld, 0);
 
return 0;
 }
-- 
1.7.2.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[PATCH] backlight: ams369fg06: make power_on() call optional

[Jingoo Han]

This patch makes power_on() call optional. The voltage source can
be provided to some boards using ams369fg06 panel, thus in this
case, power on/off sequence is not necessary.

Signed-off-by: Jingoo Han jg1@samsung.com
---
 drivers/video/backlight/ams369fg06.c |8 +++-
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/video/backlight/ams369fg06.c 
b/drivers/video/backlight/ams369fg06.c
index d29e494..c02aa2c 100644
--- a/drivers/video/backlight/ams369fg06.c
+++ b/drivers/video/backlight/ams369fg06.c
@@ -317,10 +317,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd)
pd = lcd-lcd_pd;
bd = lcd-bd;
 
-   if (!pd-power_on) {
-   dev_err(lcd-dev, power_on is NULL.\n);
-   return -EINVAL;
-   } else {
+   if (pd-power_on) {
pd-power_on(lcd-ld, 1);
msleep(pd-power_on_delay);
}
@@ -370,7 +367,8 @@ static int ams369fg06_power_off(struct ams369fg06 *lcd)
 
msleep(pd-power_off_delay);
 
-   pd-power_on(lcd-ld, 0);
+   if (pd-power_on)
+   pd-power_on(lcd-ld, 0);
 
return 0;
 }
-- 
1.7.2.5


--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/