staging:iio:hmc5843: Device has 3 channels, no need to store separately

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Shubhrajyoti Datta <shubhrajyoti@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 465dc2a..042467d 100644 (file)
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -178,7 +178,6 @@ static const char * const hmc5883_regval_to_sample_freq[] = {
 /* Describe chip variants */
 struct hmc5843_chip_info {
        const struct iio_chan_spec *channels;
-       int num_channels;
        const char * const *regval_to_sample_freq;
        const int *regval_to_input_field_mga;
        const int *regval_to_nanoscale;
@@ -594,7 +593,6 @@ static const struct attribute_group hmc5843_group = {
 static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = {
        [HMC5843_ID] = {
                .channels = hmc5843_channels,
-               .num_channels = ARRAY_SIZE(hmc5843_channels),
                .regval_to_sample_freq = hmc5843_regval_to_sample_freq,
                .regval_to_input_field_mga =
                        hmc5843_regval_to_input_field_mga,
@@ -602,7 +600,6 @@ static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = {
        },
        [HMC5883_ID] = {
                .channels = hmc5883_channels,
-               .num_channels = ARRAY_SIZE(hmc5883_channels),
                .regval_to_sample_freq = hmc5883_regval_to_sample_freq,
                .regval_to_input_field_mga =
                        hmc5883_regval_to_input_field_mga,
@@ -610,7 +607,6 @@ static const struct hmc5843_chip_info hmc5843_chip_info_tbl[] = {
        },
        [HMC5883L_ID] = {
                .channels = hmc5883_channels,
-               .num_channels = ARRAY_SIZE(hmc5883_channels),
                .regval_to_sample_freq = hmc5883_regval_to_sample_freq,
                .regval_to_input_field_mga =
                        hmc5883l_regval_to_input_field_mga,
@@ -627,7 +623,7 @@ static void hmc5843_init_client(struct i2c_client *client,
 
        data->variant = &hmc5843_chip_info_tbl[id->driver_data];
        indio_dev->channels = data->variant->channels;
-       indio_dev->num_channels = data->variant->num_channels;
+       indio_dev->num_channels = 3;
        hmc5843_set_meas_conf(client, data->meas_conf);
        hmc5843_set_rate(client, data->rate);
        hmc5843_configure(client, data->operating_mode);