Messages in this thread Patch in this message | | | From | Stephen Boyd <> | Subject | [PATCH v4 4/8] mfd: ssbi: Add regmap read/write helpers | Date | Wed, 26 Feb 2014 10:59:22 -0800 |
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Add read and write helper functions that the pm8921-core driver can use to read and write ssbi registers via a "no-bus" regmap.
Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> --- include/linux/ssbi.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h index bcbb642a7641..087b08a4d333 100644 --- a/include/linux/ssbi.h +++ b/include/linux/ssbi.h @@ -20,4 +20,24 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len); int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len); +static inline int +ssbi_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + int ret; + u8 v; + + ret = ssbi_read(context, reg, &v, 1); + if (!ret) + *val = v; + + return ret; +} + +static inline int +ssbi_reg_write(void *context, unsigned int reg, unsigned int val) +{ + u8 v = val; + return ssbi_write(context, reg, &v, 1); +} + #endif -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
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