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media: v4l2-mediabus: use BIT() macro for flags 

Instead of using (1 << n) for bits, use the BIT() macro,
as it makes a difference from documentation point of view.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-09-28 09:51:42 -04:00
parent 716b87647f
commit 2120961f0c
1 changed files with 26 additions and 24 deletions
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50
include/media/v4l2-mediabus.h
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@ -12,6 +12,8 @@
#define V4L2_MEDIABUS_H
#include <linux/v4l2-mediabus.h>
#include <linux/bitops.h>
/* Parallel flags */
/*
@ -20,44 +22,44 @@
* horizontal and vertical synchronisation. In "Slave mode" the host is
* providing these signals to the slave.
*/
#define V4L2_MBUS_MASTER (1 << 0)
#define V4L2_MBUS_SLAVE (1 << 1)
#define V4L2_MBUS_MASTER BIT(0)
#define V4L2_MBUS_SLAVE BIT(1)
/*
* Signal polarity flags
* Note: in BT.656 mode HSYNC, FIELD, and VSYNC are unused
* V4L2_MBUS_[HV]SYNC* flags should be also used for specifying
* configuration of hardware that uses [HV]REF signals
*/
#define V4L2_MBUS_HSYNC_ACTIVE_HIGH (1 << 2)
#define V4L2_MBUS_HSYNC_ACTIVE_LOW (1 << 3)
#define V4L2_MBUS_VSYNC_ACTIVE_HIGH (1 << 4)
#define V4L2_MBUS_VSYNC_ACTIVE_LOW (1 << 5)
#define V4L2_MBUS_PCLK_SAMPLE_RISING (1 << 6)
#define V4L2_MBUS_PCLK_SAMPLE_FALLING (1 << 7)
#define V4L2_MBUS_DATA_ACTIVE_HIGH (1 << 8)
#define V4L2_MBUS_DATA_ACTIVE_LOW (1 << 9)
#define V4L2_MBUS_HSYNC_ACTIVE_HIGH BIT(2)
#define V4L2_MBUS_HSYNC_ACTIVE_LOW BIT(3)
#define V4L2_MBUS_VSYNC_ACTIVE_HIGH BIT(4)
#define V4L2_MBUS_VSYNC_ACTIVE_LOW BIT(5)
#define V4L2_MBUS_PCLK_SAMPLE_RISING BIT(6)
#define V4L2_MBUS_PCLK_SAMPLE_FALLING BIT(7)
#define V4L2_MBUS_DATA_ACTIVE_HIGH BIT(8)
#define V4L2_MBUS_DATA_ACTIVE_LOW BIT(9)
/* FIELD = 0/1 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10)
#define V4L2_MBUS_FIELD_EVEN_HIGH BIT(10)
/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11)
#define V4L2_MBUS_FIELD_EVEN_LOW BIT(11)
/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH (1 << 12)
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW (1 << 13)
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH BIT(12)
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW BIT(13)
/* Serial flags */
/* How many lanes the client can use */
#define V4L2_MBUS_CSI2_1_LANE (1 << 0)
#define V4L2_MBUS_CSI2_2_LANE (1 << 1)
#define V4L2_MBUS_CSI2_3_LANE (1 << 2)
#define V4L2_MBUS_CSI2_4_LANE (1 << 3)
#define V4L2_MBUS_CSI2_1_LANE BIT(0)
#define V4L2_MBUS_CSI2_2_LANE BIT(1)
#define V4L2_MBUS_CSI2_3_LANE BIT(2)
#define V4L2_MBUS_CSI2_4_LANE BIT(3)
/* On which channels it can send video data */
#define V4L2_MBUS_CSI2_CHANNEL_0 (1 << 4)
#define V4L2_MBUS_CSI2_CHANNEL_1 (1 << 5)
#define V4L2_MBUS_CSI2_CHANNEL_2 (1 << 6)
#define V4L2_MBUS_CSI2_CHANNEL_3 (1 << 7)
#define V4L2_MBUS_CSI2_CHANNEL_0 BIT(4)
#define V4L2_MBUS_CSI2_CHANNEL_1 BIT(5)
#define V4L2_MBUS_CSI2_CHANNEL_2 BIT(6)
#define V4L2_MBUS_CSI2_CHANNEL_3 BIT(7)
/* Does it support only continuous or also non-continuous clock mode */
#define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK (1 << 8)
#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK (1 << 9)
#define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK BIT(8)
#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK BIT(9)
#define V4L2_MBUS_CSI2_LANES (V4L2_MBUS_CSI2_1_LANE | V4L2_MBUS_CSI2_2_LANE | \
V4L2_MBUS_CSI2_3_LANE | V4L2_MBUS_CSI2_4_LANE)