On 12/06/14 05:54, Peter Meerwald wrote:
16-bit on ad7997/ad7998, 8-bit elsewhere
Signed-off-by: Peter Meerwald <pmeerw@xxxxxxxxxx>
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Applied.
---
drivers/iio/adc/ad799x.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 92401c9..fe2a9b1 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -136,6 +136,30 @@ struct ad799x_state {
unsigned int transfer_size;
};
+static int ad799x_write_config(struct ad799x_state *st, u16 val)
+{
+ switch (st->id) {
+ case ad7997:
+ case ad7998:
+ return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG,
+ val);
+ default:
+ return i2c_smbus_write_byte_data(st->client, AD7998_CONF_REG,
+ val);
+ }
+}
+
+static int ad799x_read_config(struct ad799x_state *st)
+{
+ switch (st->id) {
+ case ad7997:
+ case ad7998:
+ return i2c_smbus_read_word_swapped(st->client, AD7998_CONF_REG);
+ default:
+ return i2c_smbus_read_byte_data(st->client, AD7998_CONF_REG);
+ }
+}
+
/**
* ad799x_trigger_handler() bh of trigger launched polling to ring buffer
*
--
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