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From: Johan Hovold <jhovold@gmail.com>
To: Richard Purdie <rpurdie@rpsys.net>, Jingoo Han <jg1.han@samsung.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <jhovold@gmail.com>
Subject: [PATCH 5/9] backlight: atmel-pwm-bl: clean up get_intensity
Date: Tue, 22 Oct 2013 19:26:55 +0200	[thread overview]
Message-ID: <1382462819-28576-6-git-send-email-jhovold@gmail.com> (raw)
In-Reply-To: <1382462819-28576-1-git-send-email-jhovold@gmail.com>

Clean up get_intensity to increase readability.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
---
 drivers/video/backlight/atmel-pwm-bl.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 52a8134..504061c 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -70,15 +70,14 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd)
 static int atmel_pwm_bl_get_intensity(struct backlight_device *bd)
 {
 	struct atmel_pwm_bl *pwmbl = bl_get_data(bd);
+	u32 cdty;
 	u32 intensity;
 
-	if (pwmbl->pdata->pwm_active_low) {
-		intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) -
-			pwmbl->pdata->pwm_duty_min;
-	} else {
-		intensity = pwmbl->pdata->pwm_duty_max -
-			pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
-	}
+	cdty = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
+	if (pwmbl->pdata->pwm_active_low)
+		intensity = cdty - pwmbl->pdata->pwm_duty_min;
+	else
+		intensity = pwmbl->pdata->pwm_duty_max - cdty;
 
 	return (u16)intensity;
 }
-- 
1.8.4


  parent reply	other threads:[~2013-10-22 17:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-22 17:26 [PATCH 0/9] backlight: atmel-pwm-bl: fixes and clean ups Johan Hovold
2013-10-22 17:26 ` [PATCH 1/9] backlight: atmel-pwm-bl: fix reported brightness Johan Hovold
2013-10-23  1:20   ` Jingoo Han
2013-10-23  8:51     ` Johan Hovold
2013-10-23  9:35       ` Jingoo Han
2013-10-22 17:26 ` [PATCH 2/9] backlight: atmel-pwm-bl: fix gpio polarity in remove Johan Hovold
2013-10-23  1:47   ` Jingoo Han
2013-10-22 17:26 ` [PATCH 3/9] backlight: atmel-pwm-bl: fix module autoload Johan Hovold
2013-10-23  1:48   ` Jingoo Han
2013-10-22 17:26 ` [PATCH 4/9] backlight: atmel-pwm-bl: clean up probe error handling Johan Hovold
2013-10-23  1:50   ` Jingoo Han
2013-10-22 17:26 ` Johan Hovold [this message]
2013-10-23  1:51   ` [PATCH 5/9] backlight: atmel-pwm-bl: clean up get_intensity Jingoo Han
2013-10-22 17:26 ` [PATCH 6/9] backlight: atmel-pwm-bl: remove unused include Johan Hovold
2013-10-23  1:51   ` Jingoo Han
2013-10-22 17:26 ` [PATCH 7/9] backlight: atmel-pwm-bl: use gpio_is_valid Johan Hovold
2013-10-23  1:52   ` Jingoo Han
2013-10-22 17:26 ` [PATCH 8/9] backlight: atmel-pwm-bl: refactor gpio_on handling Johan Hovold
2013-10-23  1:53   ` Jingoo Han
2013-10-22 17:26 ` [PATCH 9/9] backlight: atmel-pwm-bl: use gpio_request_one Johan Hovold
2013-10-23  1:54   ` Jingoo Han
2013-10-23  1:19 ` [PATCH 0/9] backlight: atmel-pwm-bl: fixes and clean ups Jingoo Han
2013-10-23  7:57   ` Nicolas Ferre
2013-10-23  9:55 [PATCH RESEND " Johan Hovold
2013-10-23  9:55 ` [PATCH 5/9] backlight: atmel-pwm-bl: clean up get_intensity Johan Hovold
2013-10-25 11:12   ` Jean-Christophe PLAGNIOL-VILLARD

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