staging: comedi: me_daq: tidy up timer data register defines
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Wed, 7 Oct 2015 00:23:36 +0000 (17:23 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 Oct 2015 05:56:26 +0000 (22:56 -0700)
For aesthetics, convert the register defines into a macro that takes
the timer channel and returns the correct register offset.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/me_daq.c

index 3acd0d4dc69a962da132b11f5067b7cc7d19da00..25f5a2a40d685bb1b589230e0bfe5b21f3b0dd76 100644 (file)
@@ -83,9 +83,7 @@
 #define   ME_STATUS_FST_ACTIVE         BIT(0)
 #define ME_DIO_PORT_A_REG              0x06    /* R | W */
 #define ME_DIO_PORT_B_REG              0x08    /* R | W */
-#define ME_TIMER_DATA_0                        0x000A  /* - | W */
-#define ME_TIMER_DATA_1                        0x000C  /* - | W */
-#define ME_TIMER_DATA_2                        0x000E  /* - | W */
+#define ME_TIMER_DATA_REG(x)           (0x0a + ((x) * 2))      /* - | W */
 #define ME_CHANNEL_LIST                        0x0010  /* - | W */
 #define   ADC_UNIPOLAR                 (1<<6)
 #define   ADC_GAIN_0                   (0<<4)