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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2013-04-11 11:54:04 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-09-27 08:26:19 +0200
commit42110e91de7f66f6276afdec8040aedbb8c5a6fd (patch)
treec526b0fda02b293752c65da19b42b8431de14f0c /drivers/video/atmel_lcdfb.c
parentvideo: atmel_lcdfb: fix platform data struct (diff)
downloadlinux-42110e91de7f66f6276afdec8040aedbb8c5a6fd.tar.xz
linux-42110e91de7f66f6276afdec8040aedbb8c5a6fd.zip
video: atmel_lcdfb: introduce atmel_lcdfb_power_control
to simplify the check on the presence of the callback Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
-rw-r--r--drivers/video/atmel_lcdfb.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 0d7214df1237..3c7609c1c6fe 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -288,6 +288,13 @@ static void init_contrast(struct atmel_lcdfb_info *sinfo)
init_backlight(sinfo);
}
+static inline void atmel_lcdfb_power_control(struct atmel_lcdfb_info *sinfo, int on)
+{
+ struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
+
+ if (pdata->atmel_lcdfb_power_control)
+ pdata->atmel_lcdfb_power_control(on);
+}
static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
.type = FB_TYPE_PACKED_PIXELS,
@@ -1122,8 +1129,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
fb_add_videomode(&fbmode, &info->modelist);
/* Power up the LCDC screen */
- if (pdata->atmel_lcdfb_power_control)
- pdata->atmel_lcdfb_power_control(1);
+ atmel_lcdfb_power_control(sinfo, 1);
dev_info(dev, "fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %d\n",
info->node, info->fix.mmio_start, sinfo->mmio, sinfo->irq_base);
@@ -1175,8 +1181,7 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev)
cancel_work_sync(&sinfo->task);
exit_backlight(sinfo);
- if (pdata->atmel_lcdfb_power_control)
- pdata->atmel_lcdfb_power_control(0);
+ atmel_lcdfb_power_control(sinfo, 0);
unregister_framebuffer(info);
atmel_lcdfb_stop_clock(sinfo);
clk_put(sinfo->lcdc_clk);
@@ -1203,7 +1208,6 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
{
struct fb_info *info = platform_get_drvdata(pdev);
struct atmel_lcdfb_info *sinfo = info->par;
- struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
/*
* We don't want to handle interrupts while the clock is
@@ -1213,9 +1217,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR);
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
- if (pdata->atmel_lcdfb_power_control)
- pdata->atmel_lcdfb_power_control(0);
-
+ atmel_lcdfb_power_control(sinfo, 0);
atmel_lcdfb_stop(sinfo);
atmel_lcdfb_stop_clock(sinfo);
@@ -1226,12 +1228,10 @@ static int atmel_lcdfb_resume(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
struct atmel_lcdfb_info *sinfo = info->par;
- struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
atmel_lcdfb_start_clock(sinfo);
atmel_lcdfb_start(sinfo);
- if (pdata->atmel_lcdfb_power_control)
- pdata->atmel_lcdfb_power_control(1);
+ atmel_lcdfb_power_control(sinfo, 1);
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon);
/* Enable FIFO & DMA errors */