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iio: adc: twl4030: Drop twl4030_get_madc_conversion()

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Drop legacy twl4030_get_madc_conversion() method. It has been
used by drivers to get madc data before it conversion to IIO
API. There are no users in the mainline kernel anymore.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sebastian Reichel 2017-04-27 17:30:08 +02:00 committed by Jonathan Cameron
parent 95e339b6e8
commit 6576ff740f
2 changed files with 0 additions and 22 deletions
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21
drivers/iio/adc/twl4030-madc.c
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@ -642,27 +642,6 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
}
EXPORT_SYMBOL_GPL(twl4030_madc_conversion);
int twl4030_get_madc_conversion(int channel_no)
{
struct twl4030_madc_request req;
int temp = 0;
int ret;
req.channels = (1 << channel_no);
req.method = TWL4030_MADC_SW2;
req.active = 0;
req.raw = 0;
req.func_cb = NULL;
ret = twl4030_madc_conversion(&req);
if (ret < 0)
return ret;
if (req.rbuf[channel_no] > 0)
temp = req.rbuf[channel_no];
return temp;
}
EXPORT_SYMBOL_GPL(twl4030_get_madc_conversion);
/**
* twl4030_madc_set_current_generator() - setup bias current
*

1
include/linux/i2c/twl4030-madc.h
View File

@ -143,5 +143,4 @@ struct twl4030_madc_user_parms {
};
int twl4030_madc_conversion(struct twl4030_madc_request *conv);
int twl4030_get_madc_conversion(int channel_no);
#endif