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Subject: media: mt9p031: Use BIT macro
Author: Stefan Riedmueller <s.riedmuel...@phytec.de>
Date: Mon Jul 26 09:35:16 2021 +0200
Make use of the BIT macro for setting individual bits. This improves
readability and safety with respect to shifts.
When on it also remove two zero value disable defines.
Signed-off-by: Stefan Riedmueller <s.riedmuel...@phytec.de>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
drivers/media/i2c/mt9p031.c | 27 ++++++++++++---------------
1 file changed, 12 insertions(+), 15 deletions(-)
---
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index ee2777059682..cbce8b88dbcf 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -76,40 +76,38 @@
#define MT9P031_PLL_CONFIG_1 0x11
#define MT9P031_PLL_CONFIG_2 0x12
#define MT9P031_PIXEL_CLOCK_CONTROL 0x0a
-#define MT9P031_PIXEL_CLOCK_INVERT (1 << 15)
+#define MT9P031_PIXEL_CLOCK_INVERT BIT(15)
#define MT9P031_PIXEL_CLOCK_SHIFT(n) ((n) << 8)
#define MT9P031_PIXEL_CLOCK_DIVIDE(n) ((n) << 0)
#define MT9P031_RESTART 0x0b
-#define MT9P031_FRAME_PAUSE_RESTART (1 << 1)
-#define MT9P031_FRAME_RESTART (1 << 0)
+#define MT9P031_FRAME_PAUSE_RESTART BIT(1)
+#define MT9P031_FRAME_RESTART BIT(0)
#define MT9P031_SHUTTER_DELAY 0x0c
#define MT9P031_RST 0x0d
-#define MT9P031_RST_ENABLE 1
-#define MT9P031_RST_DISABLE 0
+#define MT9P031_RST_ENABLE BIT(0)
#define MT9P031_READ_MODE_1 0x1e
#define MT9P031_READ_MODE_2 0x20
-#define MT9P031_READ_MODE_2_ROW_MIR (1 << 15)
-#define MT9P031_READ_MODE_2_COL_MIR (1 << 14)
-#define MT9P031_READ_MODE_2_ROW_BLC (1 << 6)
+#define MT9P031_READ_MODE_2_ROW_MIR BIT(15)
+#define MT9P031_READ_MODE_2_COL_MIR BIT(14)
+#define MT9P031_READ_MODE_2_ROW_BLC BIT(6)
#define MT9P031_ROW_ADDRESS_MODE 0x22
#define MT9P031_COLUMN_ADDRESS_MODE 0x23
#define MT9P031_GLOBAL_GAIN 0x35
#define MT9P031_GLOBAL_GAIN_MIN 8
#define MT9P031_GLOBAL_GAIN_MAX 1024
#define MT9P031_GLOBAL_GAIN_DEF 8
-#define MT9P031_GLOBAL_GAIN_MULT (1 << 6)
+#define MT9P031_GLOBAL_GAIN_MULT BIT(6)
#define MT9P031_ROW_BLACK_TARGET 0x49
#define MT9P031_ROW_BLACK_DEF_OFFSET 0x4b
#define MT9P031_GREEN1_OFFSET 0x60
#define MT9P031_GREEN2_OFFSET 0x61
#define MT9P031_BLACK_LEVEL_CALIBRATION 0x62
-#define MT9P031_BLC_MANUAL_BLC (1 << 0)
+#define MT9P031_BLC_MANUAL_BLC BIT(0)
#define MT9P031_RED_OFFSET 0x63
#define MT9P031_BLUE_OFFSET 0x64
#define MT9P031_TEST_PATTERN 0xa0
#define MT9P031_TEST_PATTERN_SHIFT 3
-#define MT9P031_TEST_PATTERN_ENABLE (1 << 0)
-#define MT9P031_TEST_PATTERN_DISABLE (0 << 0)
+#define MT9P031_TEST_PATTERN_ENABLE BIT(0)
#define MT9P031_TEST_PATTERN_GREEN 0xa1
#define MT9P031_TEST_PATTERN_RED 0xa2
#define MT9P031_TEST_PATTERN_BLUE 0xa3
@@ -199,7 +197,7 @@ static int mt9p031_reset(struct mt9p031 *mt9p031)
ret = mt9p031_write(client, MT9P031_RST, MT9P031_RST_ENABLE);
if (ret < 0)
return ret;
- ret = mt9p031_write(client, MT9P031_RST, MT9P031_RST_DISABLE);
+ ret = mt9p031_write(client, MT9P031_RST, 0);
if (ret < 0)
return ret;
@@ -794,8 +792,7 @@ static int mt9p031_s_ctrl(struct v4l2_ctrl *ctrl)
if (ret < 0)
return ret;
- return mt9p031_write(client, MT9P031_TEST_PATTERN,
- MT9P031_TEST_PATTERN_DISABLE);
+ return mt9p031_write(client, MT9P031_TEST_PATTERN, 0);
}
ret = mt9p031_write(client, MT9P031_TEST_PATTERN_GREEN, 0x05a0);
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