linux-kernel - [PATCH 2/2] als: tsl2550: Remove spurious check against a maximum lux value.

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Message-ID: <4B60535F.5020400@cam.ac.uk>
Date:	Wed, 27 Jan 2010 14:53:19 +0000
From:	Jonathan Cameron <jic23@....ac.uk>
To:	Jonathan Cameron <kernel@...23.retrosnub.co.uk>
CC:	Jean Delvare <khali@...ux-fr.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Zhang Rui <rui.zhang@...el.com>, giometti@...ux.it
Subject: [PATCH 2/2] als: tsl2550: Remove spurious check against a maximum
 lux value.


Signed-off-by: Jonathan Cameron <jic23@....ac.uk>
---

As Jean Delvare observed, this check is ineffective so lets clear it out whilst
we are working on this driver.

 drivers/als/tsl2550.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/als/tsl2550.c b/drivers/als/tsl2550.c
index b911e9c..27745a5 100644
--- a/drivers/als/tsl2550.c
+++ b/drivers/als/tsl2550.c
@@ -116,8 +116,6 @@ static int tsl2550_get_adc_value(struct i2c_client *client, u8 cmd)
  * of infrared level and visible light levels.
  */
 
-#define	TSL2550_MAX_LUX		1846
-
 static const u8 ratio_lut[] = {
 	100, 100, 100, 100, 100, 100, 100, 100,
 	100, 100, 100, 100, 100, 100, 99, 99,
@@ -187,8 +185,7 @@ static int tsl2550_calculate_lux(u8 ch0, u8 ch1)
 	else
 		return -EAGAIN;
 
-	/* LUX range check */
-	return lux > TSL2550_MAX_LUX ? TSL2550_MAX_LUX : lux;
+	return lux;
 }
 
 /*
-- 
1.6.4.4
--
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