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/