treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / mfd / mc13xxx.h
blobce6eec52e8eb11d2467f7eace881f2910c0d62ca
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2012 Creative Product Design
4 * Marc Reilly <marc@cpdesign.com.au>
5 */
6 #ifndef __DRIVERS_MFD_MC13XXX_H
7 #define __DRIVERS_MFD_MC13XXX_H
9 #include <linux/mutex.h>
10 #include <linux/regmap.h>
11 #include <linux/mfd/mc13xxx.h>
13 #define MC13XXX_NUMREGS 0x3f
14 #define MC13XXX_IRQ_REG_CNT 2
15 #define MC13XXX_IRQ_PER_REG 24
17 struct mc13xxx;
19 struct mc13xxx_variant {
20 const char *name;
21 void (*print_revision)(struct mc13xxx *mc13xxx, u32 revision);
24 extern struct mc13xxx_variant
25 mc13xxx_variant_mc13783,
26 mc13xxx_variant_mc13892,
27 mc13xxx_variant_mc34708;
29 struct mc13xxx {
30 struct regmap *regmap;
32 struct device *dev;
33 const struct mc13xxx_variant *variant;
35 struct regmap_irq irqs[MC13XXX_IRQ_PER_REG * MC13XXX_IRQ_REG_CNT];
36 struct regmap_irq_chip irq_chip;
37 struct regmap_irq_chip_data *irq_data;
39 struct mutex lock;
40 int irq;
41 int flags;
43 int adcflags;
46 int mc13xxx_common_init(struct device *dev);
47 int mc13xxx_common_exit(struct device *dev);
49 #endif /* __DRIVERS_MFD_MC13XXX_H */