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fbdev: au1100fb: Check return value of clk_enable() in .resume()

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Check the return value of clk_enable() in au1100fb_drv_resume() and
return the error on failure.
This ensures the system is aware of the resume failure and can track
its state accurately.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Chen Ni
2026-01-29 12:07:14 +08:00
committed by Helge Deller
parent 8e9bf8b9e8
commit cbfb9c715f
1 changed files with 4 additions and 1 deletions
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5
drivers/video/fbdev/au1100fb.c
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@@ -567,13 +567,16 @@ int au1100fb_drv_suspend(struct platform_device *dev, pm_message_t state)
int au1100fb_drv_resume(struct platform_device *dev)
{
struct au1100fb_device *fbdev = platform_get_drvdata(dev);
int ret;
if (!fbdev)
return 0;
memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs));
clk_enable(fbdev->lcdclk);
ret = clk_enable(fbdev->lcdclk);
if (ret)
return ret;
/* Unblank the LCD */
au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info);