linux-kernel - [PATCH v3 5/6] staging: media: atomisp: fix CamelCase variable naming

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Date:   Wed, 21 Apr 2021 23:48:41 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, mh12gx2825@...il.com, drv@...lo.com
Subject: [PATCH v3 5/6] staging: media: atomisp: fix CamelCase variable naming

Mixed case variable names are discouraged and they result in checkpatch
script "Avoid CamelCase" warnings. Replace such CamelCase variable names
by lower case strings according to the coding style guidelines.

Signed-off-by: Deepak R Varma <drv@...lo.com>
---

Changes since v2:
   - None.

Changes since v1:
   - None.

 .../media/atomisp/i2c/atomisp-mt9m114.c       | 60 +++++++++----------
 1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
index f314e5fed9cb..6de2cee4363e 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
@@ -1000,10 +1000,10 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
 	struct mt9m114_device *dev = to_mt9m114_sensor(sd);
 	int ret = 0;
 	unsigned int coarse_integration = 0;
-	unsigned int FLines = 0;
-	unsigned int FrameLengthLines = 0; /* ExposureTime.FrameLengthLines; */
-	unsigned int AnalogGain, DigitalGain;
-	u32 AnalogGainToWrite = 0;
+	unsigned int f_lines = 0;
+	unsigned int frame_len_lines = 0; /* ExposureTime.FrameLengthLines; */
+	unsigned int analog_gain, digital_gain;
+	u32 analog_gain_to_write = 0;
 
 	dev_dbg(&client->dev, "%s(0x%X 0x%X 0x%X)\n", __func__,
 		exposure->integration_time[0], exposure->gain[0],
@@ -1011,27 +1011,27 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
 
 	coarse_integration = exposure->integration_time[0];
 	/* fine_integration = ExposureTime.FineIntegrationTime; */
-	/* FrameLengthLines = ExposureTime.FrameLengthLines; */
-	FLines = mt9m114_res[dev->res].lines_per_frame;
-	AnalogGain = exposure->gain[0];
-	DigitalGain = exposure->gain[1];
+	/* frame_len_lines = ExposureTime.FrameLengthLines; */
+	f_lines = mt9m114_res[dev->res].lines_per_frame;
+	analog_gain = exposure->gain[0];
+	digital_gain = exposure->gain[1];
 	if (!dev->streamon) {
 		/* Save the first exposure values while stream is off */
 		dev->first_exp = coarse_integration;
-		dev->first_gain = AnalogGain;
-		dev->first_diggain = DigitalGain;
+		dev->first_gain = analog_gain;
+		dev->first_diggain = digital_gain;
 	}
-	/* DigitalGain = 0x400 * (((u16) DigitalGain) >> 8) +		*/
-	/* ((unsigned int)(0x400 * (((u16) DigitalGain) & 0xFF)) >>8);	*/
+	/* digital_gain = 0x400 * (((u16) digital_gain) >> 8) +		*/
+	/* ((unsigned int)(0x400 * (((u16) digital_gain) & 0xFF)) >>8);	*/
 
 	/* set frame length */
-	if (FLines < coarse_integration + 6)
-		FLines = coarse_integration + 6;
-	if (FLines < FrameLengthLines)
-		FLines = FrameLengthLines;
-	ret = mt9m114_write_reg(client, MISENSOR_16BIT, 0x300A, FLines);
+	if (f_lines < coarse_integration + 6)
+		f_lines = coarse_integration + 6;
+	if (f_lines < frame_len_lines)
+		f_lines = frame_len_lines;
+	ret = mt9m114_write_reg(client, MISENSOR_16BIT, 0x300A, f_lines);
 	if (ret) {
-		v4l2_err(client, "%s: fail to set FLines\n", __func__);
+		v4l2_err(client, "%s: fail to set f_lines\n", __func__);
 		return -EINVAL;
 	}
 
@@ -1049,39 +1049,39 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
 
 	/*
 	 * set analog/digital gain
-	switch(AnalogGain)
+	switch(analog_gain)
 	{
 	case 0:
-	  AnalogGainToWrite = 0x0;
+	  analog_gain_to_write = 0x0;
 	  break;
 	case 1:
-	  AnalogGainToWrite = 0x20;
+	  analog_gain_to_write = 0x20;
 	  break;
 	case 2:
-	  AnalogGainToWrite = 0x60;
+	  analog_gain_to_write = 0x60;
 	  break;
 	case 4:
-	  AnalogGainToWrite = 0xA0;
+	  analog_gain_to_write = 0xA0;
 	  break;
 	case 8:
-	  AnalogGainToWrite = 0xE0;
+	  analog_gain_to_write = 0xE0;
 	  break;
 	default:
-	  AnalogGainToWrite = 0x20;
+	  analog_gain_to_write = 0x20;
 	  break;
 	}
 	*/
-	if (DigitalGain >= 16 || DigitalGain <= 1)
-		DigitalGain = 1;
+	if (digital_gain >= 16 || digital_gain <= 1)
+		digital_gain = 1;
 
 	/*
 	 * AnalogGainToWrite = (u16)((DigitalGain << 12) | AnalogGainToWrite);
 	 */
-	AnalogGainToWrite = (u16)((DigitalGain << 12) | (u16)AnalogGain);
+	analog_gain_to_write = (u16)((digital_gain << 12) | (u16)analog_gain);
 	ret = mt9m114_write_reg(client, MISENSOR_16BIT,
-				REG_GAIN, AnalogGainToWrite);
+				REG_GAIN, analog_gain_to_write);
 	if (ret) {
-		v4l2_err(client, "%s: fail to set AnalogGainToWrite\n",
+		v4l2_err(client, "%s: fail to set analog_gain_to_write\n",
 			 __func__);
 		return -EINVAL;
 	}
-- 
2.25.1