From 383f650f6cf739b256eb24c4a1d397d883de56ff Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Wed, 18 May 2011 14:42:18 +0100 Subject: [PATCH] staging:iio:addac:adt7316 replace abuse of buffer events. Currently squashed the fault condition from external temperature sensor - lots of other issues to be fixed with this driver which obeys almost no elements of the abi. V2: removed a couple of usused variables that sparse found. Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/addac/adt7316.c | 82 ++++++++++++++++++----------- 1 file changed, 52 insertions(+), 30 deletions(-) diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index 24dd2d2866c9..b71994ee8845 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -462,7 +462,7 @@ static ssize_t adt7316_show_all_ad_channels(struct device *dev, if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" - "2 - External Temperature or AIN2\n" + "2 - External Temperature or AIN1\n" "3 - AIN2\n4 - AIN3\n5 - AIN4\n"); else return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" @@ -1762,49 +1762,71 @@ static const struct attribute_group adt7516_attribute_group = { .attrs = adt7516_attributes, }; - -/* - * temperature bound events - */ - -#define IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH IIO_BUFFER_EVENT_CODE(0) -#define IIO_EVENT_CODE_ADT7316_IN_TEMP_LOW IIO_BUFFER_EVENT_CODE(1) -#define IIO_EVENT_CODE_ADT7316_EX_TEMP_HIGH IIO_BUFFER_EVENT_CODE(2) -#define IIO_EVENT_CODE_ADT7316_EX_TEMP_LOW IIO_BUFFER_EVENT_CODE(3) -#define IIO_EVENT_CODE_ADT7316_EX_TEMP_FAULT IIO_BUFFER_EVENT_CODE(4) -#define IIO_EVENT_CODE_ADT7516_AIN1 IIO_BUFFER_EVENT_CODE(5) -#define IIO_EVENT_CODE_ADT7516_AIN2 IIO_BUFFER_EVENT_CODE(6) -#define IIO_EVENT_CODE_ADT7516_AIN3 IIO_BUFFER_EVENT_CODE(7) -#define IIO_EVENT_CODE_ADT7516_AIN4 IIO_BUFFER_EVENT_CODE(8) -#define IIO_EVENT_CODE_ADT7316_VDD IIO_BUFFER_EVENT_CODE(9) - static irqreturn_t adt7316_event_handler(int irq, void *private) { struct iio_dev *indio_dev = private; struct adt7316_chip_info *chip = iio_dev_get_devdata(indio_dev); u8 stat1, stat2; - int i, ret, count; + int ret; + s64 time; ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT1, &stat1); if (!ret) { - if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) - count = 8; - else - count = 5; + if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) + stat1 &= 0x1F; - for (i = 0; i < count; i++) { - if (stat1 & (1 << i)) - iio_push_event(chip->indio_dev, 0, - IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH + i, - iio_get_time_ns()); + time = iio_get_time_ns(); + if (stat1 & (1 << 0)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), + time); + if (stat1 & (1 << 1)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_FALLING), + time); + if (stat1 & (1 << 2)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), + time); + if (stat1 & (1 << 3)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_FALLING), + time); + if (stat1 & (1 << 5)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_IN, 1, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + time); + if (stat1 & (1 << 6)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_IN, 2, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + time); + if (stat1 & (1 << 7)) + iio_push_event(chip->indio_dev, 0, + IIO_UNMOD_EVENT_CODE(IIO_IN, 3, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + time); } - } - ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT2, &stat2); if (!ret) { if (stat2 & ADT7316_INT_MASK2_VDD) iio_push_event(chip->indio_dev, 0, - IIO_EVENT_CODE_ADT7316_VDD, + IIO_UNMOD_EVENT_CODE(IIO_IN, + 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), iio_get_time_ns()); } -- 2.39.2