Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 06:31:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

i2c: mux: pca9541: use the BIT macro

Browse Source 
Because it looks nice!

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
This commit is contained in:
Peter Rosin 2019-03-06 23:15:35 +00:00
parent d1eef1c619
commit 348001433f
1 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/i2c/muxes/i2c-mux-pca9541.c
View File

@ -16,6 +16,7 @@
* warranty of any kind, whether express or implied.
*/
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/i2c.h>
@ -42,20 +43,20 @@
#define PCA9541_CONTROL 0x01
#define PCA9541_ISTAT 0x02
#define PCA9541_CTL_MYBUS (1 << 0)
#define PCA9541_CTL_NMYBUS (1 << 1)
#define PCA9541_CTL_BUSON (1 << 2)
#define PCA9541_CTL_NBUSON (1 << 3)
#define PCA9541_CTL_BUSINIT (1 << 4)
#define PCA9541_CTL_TESTON (1 << 6)
#define PCA9541_CTL_NTESTON (1 << 7)
#define PCA9541_CTL_MYBUS BIT(0)
#define PCA9541_CTL_NMYBUS BIT(1)
#define PCA9541_CTL_BUSON BIT(2)
#define PCA9541_CTL_NBUSON BIT(3)
#define PCA9541_CTL_BUSINIT BIT(4)
#define PCA9541_CTL_TESTON BIT(6)
#define PCA9541_CTL_NTESTON BIT(7)
#define PCA9541_ISTAT_INTIN (1 << 0)
#define PCA9541_ISTAT_BUSINIT (1 << 1)
#define PCA9541_ISTAT_BUSOK (1 << 2)
#define PCA9541_ISTAT_BUSLOST (1 << 3)
#define PCA9541_ISTAT_MYTEST (1 << 6)
#define PCA9541_ISTAT_NMYTEST (1 << 7)
#define PCA9541_ISTAT_INTIN BIT(0)
#define PCA9541_ISTAT_BUSINIT BIT(1)
#define PCA9541_ISTAT_BUSOK BIT(2)
#define PCA9541_ISTAT_BUSLOST BIT(3)
#define PCA9541_ISTAT_MYTEST BIT(6)
#define PCA9541_ISTAT_NMYTEST BIT(7)
#define BUSON (PCA9541_CTL_BUSON | PCA9541_CTL_NBUSON)
#define MYBUS (PCA9541_CTL_MYBUS | PCA9541_CTL_NMYBUS)