backlight: simplify corgi_bl locking
Now update_status has locking, we can remove the mutex from corgi_bl. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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@ -22,7 +22,6 @@
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#include <asm/hardware/sharpsl_pm.h>
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static int corgibl_intensity;
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static DEFINE_MUTEX(bl_mutex);
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static struct backlight_properties corgibl_data;
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static struct backlight_device *corgi_backlight_device;
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static struct corgibl_machinfo *bl_machinfo;
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@ -45,9 +44,7 @@ static int corgibl_send_intensity(struct backlight_device *bd)
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if (corgibl_flags & CORGIBL_BATTLOW)
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intensity &= bl_machinfo->limit_mask;
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mutex_lock(&bl_mutex);
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bl_machinfo->set_bl_intensity(intensity);
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mutex_unlock(&bl_mutex);
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corgibl_intensity = intensity;
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@ -66,7 +63,7 @@ static int corgibl_suspend(struct platform_device *pdev, pm_message_t state)
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struct backlight_device *bd = platform_get_drvdata(pdev);
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corgibl_flags |= CORGIBL_SUSPENDED;
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corgibl_send_intensity(bd);
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backlight_update_status(bd);
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return 0;
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}
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@ -75,7 +72,7 @@ static int corgibl_resume(struct platform_device *pdev)
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struct backlight_device *bd = platform_get_drvdata(pdev);
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corgibl_flags &= ~CORGIBL_SUSPENDED;
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corgibl_send_intensity(bd);
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backlight_update_status(bd);
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return 0;
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}
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#else
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@ -98,7 +95,7 @@ void corgibl_limit_intensity(int limit)
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corgibl_flags |= CORGIBL_BATTLOW;
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else
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corgibl_flags &= ~CORGIBL_BATTLOW;
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corgibl_send_intensity(corgi_backlight_device);
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backlight_update_status(corgi_backlight_device);
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}
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EXPORT_SYMBOL(corgibl_limit_intensity);
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@ -126,7 +123,7 @@ static int corgibl_probe(struct platform_device *pdev)
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corgi_backlight_device->props.max_brightness = machinfo->max_intensity;
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corgi_backlight_device->props.power = FB_BLANK_UNBLANK;
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corgi_backlight_device->props.brightness = machinfo->default_intensity;
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corgibl_send_intensity(corgi_backlight_device);
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backlight_update_status(corgi_backlight_device);
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printk("Corgi Backlight Driver Initialized.\n");
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return 0;
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@ -138,7 +135,7 @@ static int corgibl_remove(struct platform_device *pdev)
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corgibl_data.power = 0;
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corgibl_data.brightness = 0;
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corgibl_send_intensity(bd);
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backlight_update_status(bd);
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backlight_device_unregister(bd);
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