diff options
| author | Josef Gajdusek | 2014-07-22 17:02:00 +0200 |
|---|---|---|
| committer | Jonathan Cameron | 2014-07-23 22:48:20 +0200 |
| commit | 5a059bd268a79376ebf9ea539c5bb645c5a854d5 (patch) | |
| tree | f2dec4232edcbee0fc503fe8f417f4e669be2fae /drivers/staging/iio/magnetometer/hmc5843_core.c | |
| parent | staging:iio:hmc5843: register <-> value arrays now can have different lengths (diff) | |
| download | kernel-qcow2-linux-5a059bd268a79376ebf9ea539c5bb645c5a854d5.tar.gz kernel-qcow2-linux-5a059bd268a79376ebf9ea539c5bb645c5a854d5.tar.xz kernel-qcow2-linux-5a059bd268a79376ebf9ea539c5bb645c5a854d5.zip | |
staging:iio:hmc5843: Add support for i2c hmc5983
This patch adds support for the hmc5983 i2c interface.
This chip is almost identical to the hmc5883. The difference being added
temperature compensation, additional available sample rate (220Hz) and an SPI
interface.
Signed-off-by: Josef Gajdusek <atx@atx.name>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/magnetometer/hmc5843_core.c')
| -rw-r--r-- | drivers/staging/iio/magnetometer/hmc5843_core.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/staging/iio/magnetometer/hmc5843_core.c b/drivers/staging/iio/magnetometer/hmc5843_core.c index 08fb0be100ff..914ae1acd31d 100644 --- a/drivers/staging/iio/magnetometer/hmc5843_core.c +++ b/drivers/staging/iio/magnetometer/hmc5843_core.c @@ -101,6 +101,11 @@ static const int hmc5883_regval_to_samp_freq[][2] = { {75, 0} }; +static const int hmc5983_regval_to_samp_freq[][2] = { + {0, 750000}, {1, 500000}, {3, 0}, {7, 500000}, {15, 0}, {30, 0}, + {75, 0}, {220, 0} +}; + /* Describe chip variants */ struct hmc5843_chip_info { const struct iio_chan_spec *channels; @@ -457,7 +462,7 @@ static const struct iio_chan_spec hmc5843_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(3), }; -/* Beware: Y and Z are exchanged on HMC5883 */ +/* Beware: Y and Z are exchanged on HMC5883 and 5983 */ static const struct iio_chan_spec hmc5883_channels[] = { HMC5843_CHANNEL(X, 0), HMC5843_CHANNEL(Z, 1), @@ -504,6 +509,15 @@ static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = { .n_regval_to_nanoscale = ARRAY_SIZE(hmc5883l_regval_to_nanoscale), }, + [HMC5983_ID] = { + .channels = hmc5883_channels, + .regval_to_samp_freq = hmc5983_regval_to_samp_freq, + .n_regval_to_samp_freq = + ARRAY_SIZE(hmc5983_regval_to_samp_freq), + .regval_to_nanoscale = hmc5883l_regval_to_nanoscale, + .n_regval_to_nanoscale = + ARRAY_SIZE(hmc5883l_regval_to_nanoscale), + } }; static int hmc5843_init(struct hmc5843_data *data) @@ -516,7 +530,7 @@ static int hmc5843_init(struct hmc5843_data *data) if (ret < 0) return ret; if (id[0] != 'H' || id[1] != '4' || id[2] != '3') { - dev_err(data->dev, "no HMC5843/5883/5883L sensor\n"); + dev_err(data->dev, "no HMC5843/5883/5883L/5983 sensor\n"); return -ENODEV; } @@ -620,5 +634,5 @@ int hmc5843_common_remove(struct device *dev) EXPORT_SYMBOL(hmc5843_common_remove); MODULE_AUTHOR("Shubhrajyoti Datta <shubhrajyoti@ti.com>"); -MODULE_DESCRIPTION("HMC5843/5883/5883L core driver"); +MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 core driver"); MODULE_LICENSE("GPL"); |