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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>
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8af2c2869f
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42110e91de
@ -288,6 +288,13 @@ static void init_contrast(struct atmel_lcdfb_info *sinfo)
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init_backlight(sinfo);
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}
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static inline void atmel_lcdfb_power_control(struct atmel_lcdfb_info *sinfo, int on)
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{
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struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
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if (pdata->atmel_lcdfb_power_control)
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pdata->atmel_lcdfb_power_control(on);
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}
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static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
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.type = FB_TYPE_PACKED_PIXELS,
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@ -1122,8 +1129,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
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fb_add_videomode(&fbmode, &info->modelist);
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/* Power up the LCDC screen */
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if (pdata->atmel_lcdfb_power_control)
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pdata->atmel_lcdfb_power_control(1);
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atmel_lcdfb_power_control(sinfo, 1);
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dev_info(dev, "fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %d\n",
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info->node, info->fix.mmio_start, sinfo->mmio, sinfo->irq_base);
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@ -1175,8 +1181,7 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev)
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cancel_work_sync(&sinfo->task);
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exit_backlight(sinfo);
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if (pdata->atmel_lcdfb_power_control)
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pdata->atmel_lcdfb_power_control(0);
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atmel_lcdfb_power_control(sinfo, 0);
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unregister_framebuffer(info);
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atmel_lcdfb_stop_clock(sinfo);
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clk_put(sinfo->lcdc_clk);
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@ -1203,7 +1208,6 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
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{
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struct fb_info *info = platform_get_drvdata(pdev);
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struct atmel_lcdfb_info *sinfo = info->par;
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struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
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/*
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* We don't want to handle interrupts while the clock is
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@ -1213,9 +1217,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
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sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR);
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lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
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if (pdata->atmel_lcdfb_power_control)
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pdata->atmel_lcdfb_power_control(0);
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atmel_lcdfb_power_control(sinfo, 0);
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atmel_lcdfb_stop(sinfo);
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atmel_lcdfb_stop_clock(sinfo);
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@ -1226,12 +1228,10 @@ static int atmel_lcdfb_resume(struct platform_device *pdev)
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{
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struct fb_info *info = platform_get_drvdata(pdev);
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struct atmel_lcdfb_info *sinfo = info->par;
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struct atmel_lcdfb_pdata *pdata = &sinfo->pdata;
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atmel_lcdfb_start_clock(sinfo);
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atmel_lcdfb_start(sinfo);
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if (pdata->atmel_lcdfb_power_control)
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pdata->atmel_lcdfb_power_control(1);
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atmel_lcdfb_power_control(sinfo, 1);
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lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon);
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/* Enable FIFO & DMA errors */
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