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power: axp209: Define the chip version mask

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Use a define for the chip version mask on the axp209.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Olliver Schinagl 2018-11-21 20:05:28 +02:00 committed by Jagan Teki
parent 048447ce4a
commit f5eebc7925
2 changed files with 3 additions and 4 deletions
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5
drivers/power/axp209.c
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@ -153,10 +153,7 @@ int axp_init(void)
if (rc)
return rc;
/* Low 4 bits is chip version */
ver &= 0x0f;
if (ver != 0x1)
if ((ver & AXP209_CHIP_VERSION_MASK) != 0x1)
return -EINVAL;
/* Mask all interrupts */

2
include/axp209.h
View file

@ -25,6 +25,8 @@ enum axp209_reg {
#define AXP209_POWER_STATUS_ON_BY_DC BIT(0)
#define AXP209_POWER_STATUS_VBUS_USABLE BIT(4)
#define AXP209_CHIP_VERSION_MASK 0x0f
#define AXP209_OUTPUT_CTRL_EXTEN BIT(0)
#define AXP209_OUTPUT_CTRL_DCDC3 BIT(1)
#define AXP209_OUTPUT_CTRL_LDO2 BIT(2)