From: Jingoo Han Date: Fri, 22 Feb 2013 00:43:21 +0000 (-0800) Subject: backlight: s6e63m0: use sleep instead of delay X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=97a4d9d53a2c63706cb5bf222c37bf273939a7eb;p=linux-beck.git backlight: s6e63m0: 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 --- diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index cae140d83f3c..cff45152dee3 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -406,8 +406,9 @@ static int s6e63m0_panel_send_sequence(struct s6e63m0 *lcd, ret = s6e63m0_spi_write(lcd, wbuf[i], wbuf[i+1]); if (ret) break; - } else - udelay(wbuf[i+1]*1000); + } else { + msleep(wbuf[i+1]); + } i += 2; } @@ -523,7 +524,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd) return -EFAULT; } else { pd->power_on(lcd->ld, 1); - mdelay(pd->power_on_delay); + msleep(pd->power_on_delay); } if (!pd->reset) { @@ -531,7 +532,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd) return -EFAULT; } else { pd->reset(lcd->ld); - mdelay(pd->reset_delay); + msleep(pd->reset_delay); } ret = s6e63m0_ldi_init(lcd); @@ -573,7 +574,7 @@ static int s6e63m0_power_off(struct s6e63m0 *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");