diff options
| author | Richard Purdie <rpurdie@rpsys.net> | 2007-02-08 00:32:14 +0000 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2007-02-20 08:38:44 +0000 |
| commit | da7a747125ff80e13c00b231602e7c86b6bb8741 (patch) | |
| tree | 57a323187590c8158421309ae277a6e96539d8a0 /drivers | |
| parent | 90968e8ebc4611896ff7f2ef0c0bf8455e845cd1 (diff) | |
backlight: Minor code cleanups for corgi_bl.c
Since people use this code as an example, clean it up to
to use platform_*_drvdata and remove an unneeded function.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/backlight/corgi_bl.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index 4ca24e26157..c1eba0e8a1b 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -61,17 +61,21 @@ static int corgibl_send_intensity(struct backlight_device *bd) } #ifdef CONFIG_PM -static int corgibl_suspend(struct platform_device *dev, pm_message_t state) +static int corgibl_suspend(struct platform_device *pdev, pm_message_t state) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_flags |= CORGIBL_SUSPENDED; - corgibl_send_intensity(corgi_backlight_device); + corgibl_send_intensity(bd); return 0; } -static int corgibl_resume(struct platform_device *dev) +static int corgibl_resume(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_flags &= ~CORGIBL_SUSPENDED; - corgibl_send_intensity(corgi_backlight_device); + corgibl_send_intensity(bd); return 0; } #else @@ -84,12 +88,6 @@ static int corgibl_get_intensity(struct backlight_device *bd) return corgibl_intensity; } -static int corgibl_set_intensity(struct backlight_device *bd) -{ - corgibl_send_intensity(corgi_backlight_device); - return 0; -} - /* * Called when the battery is low to limit the backlight intensity. * If limit==0 clear any limit, otherwise limit the intensity @@ -107,7 +105,7 @@ EXPORT_SYMBOL(corgibl_limit_intensity); static struct backlight_properties corgibl_data = { .get_brightness = corgibl_get_intensity, - .update_status = corgibl_set_intensity, + .update_status = corgibl_send_intensity, }; static int corgibl_probe(struct platform_device *pdev) @@ -124,6 +122,8 @@ static int corgibl_probe(struct platform_device *pdev) if (IS_ERR (corgi_backlight_device)) return PTR_ERR (corgi_backlight_device); + platform_set_drvdata(pdev, corgi_backlight_device); + corgibl_data.power = FB_BLANK_UNBLANK; corgibl_data.brightness = machinfo->default_intensity; corgibl_send_intensity(corgi_backlight_device); @@ -132,13 +132,15 @@ static int corgibl_probe(struct platform_device *pdev) return 0; } -static int corgibl_remove(struct platform_device *dev) +static int corgibl_remove(struct platform_device *pdev) { + struct backlight_device *bd = platform_get_drvdata(pdev); + corgibl_data.power = 0; corgibl_data.brightness = 0; - corgibl_send_intensity(corgi_backlight_device); + corgibl_send_intensity(bd); - backlight_device_unregister(corgi_backlight_device); + backlight_device_unregister(bd); printk("Corgi Backlight Driver Unloaded\n"); return 0; |