diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-01-20 11:03:07 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-01-20 11:03:07 +0100 |
| commit | ee65ef609aa81539ac3792df88f04bfe29a77546 (patch) | |
| tree | 6816eaa3d45fa1078408f2ccfa5f88d32733d1d9 /drivers/iio | |
| parent | 7a839e9a277d4a410a9b015d561ff09739bc0ff6 (diff) | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
Merge tag 'v3.19-rc5' into devel
Linux 3.19-rc5
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/ad799x.c | 15 | ||||
| -rw-r--r-- | drivers/iio/inkern.c | 3 |
2 files changed, 16 insertions, 2 deletions
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index e37412da15f5..b99de00e57b8 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -143,9 +143,15 @@ static int ad799x_write_config(struct ad799x_state *st, u16 val) case ad7998: return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG, val); - default: + case ad7992: + case ad7993: + case ad7994: return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG, val); + default: + /* Will be written when doing a conversion */ + st->config = val; + return 0; } } @@ -155,8 +161,13 @@ static int ad799x_read_config(struct ad799x_state *st) case ad7997: case ad7998: return i2c_smbus_read_word_swapped(st->client, AD7998_CONF_REG); - default: + case ad7992: + case ad7993: + case ad7994: return i2c_smbus_read_byte_data(st->client, AD7998_CONF_REG); + default: + /* No readback support */ + return st->config; } } diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 866fe904cba2..90c8cb727cc7 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -449,6 +449,9 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2, if (val2 == NULL) val2 = &unused; + if(!iio_channel_has_info(chan->channel, info)) + return -EINVAL; + if (chan->indio_dev->info->read_raw_multi) { ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev, chan->channel, INDIO_MAX_RAW_ELEMENTS, |