From 51976436169ebb607e16a971e3a391480de710d1 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 21 Feb 2013 16:43:27 -0800 Subject: [PATCH] backlight: ams369fg06: use sleep instead of delay Replace mdelay with msleep to remove the busy loop waiting. Signed-off-by: Jingoo Han Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/backlight/ams369fg06.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index f57e190..55b2792 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -210,8 +210,9 @@ static int ams369fg06_panel_send_sequence(struct ams369fg06 *lcd, ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]); if (ret) break; - } else - mdelay(wbuf[i+1]); + } else { + msleep(wbuf[i+1]); + } i += 2; } @@ -339,7 +340,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd) return -EFAULT; } else { pd->power_on(lcd->ld, 1); - mdelay(pd->power_on_delay); + msleep(pd->power_on_delay); } if (!pd->reset) { @@ -347,7 +348,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd) return -EFAULT; } else { pd->reset(lcd->ld); - mdelay(pd->reset_delay); + msleep(pd->reset_delay); } ret = ams369fg06_ldi_init(lcd); @@ -389,7 +390,7 @@ static int ams369fg06_power_off(struct ams369fg06 *lcd) return -EIO; } - mdelay(pd->power_off_delay); + msleep(pd->power_off_delay); if (!pd->power_on) { dev_err(lcd->dev, "power_on is NULL.\n"); -- 2.7.4