From 8235841b95f5c2b88b2fd012b419c2f4adaeb898 Mon Sep 17 00:00:00 2001 From: Peter Meerwald Date: Sat, 6 Dec 2014 05:54:00 +0000 Subject: [PATCH] iio:adc:ad799x: Set conversion channels and rename ad7997_8_update_scan_mode() rename since function is used by all chips with ALERT pin, not just ad7997/8 Signed-off-by: Peter Meerwald Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ad799x.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 84ce9b426a48..abc36c896470 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -208,7 +208,7 @@ out: return IRQ_HANDLED; } -static int ad7997_8_update_scan_mode(struct iio_dev *indio_dev, +static int ad799x_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *scan_mask) { struct ad799x_state *st = iio_priv(indio_dev); @@ -221,10 +221,14 @@ static int ad7997_8_update_scan_mode(struct iio_dev *indio_dev, st->transfer_size = bitmap_weight(scan_mask, indio_dev->masklength) * 2; switch (st->id) { + case ad7992: + case ad7993: + case ad7994: case ad7997: case ad7998: - return i2c_smbus_write_word_swapped(st->client, AD7998_CONF_REG, - st->config | (*scan_mask << AD799X_CHANNEL_SHIFT)); + st->config &= ~(GENMASK(7, 0) << AD799X_CHANNEL_SHIFT); + st->config |= (*scan_mask << AD799X_CHANNEL_SHIFT); + return ad799x_write_config(st, st->config); default: return 0; } @@ -483,7 +487,7 @@ static const struct iio_info ad7991_info = { static const struct iio_info ad7993_4_7_8_noirq_info = { .read_raw = &ad799x_read_raw, .driver_module = THIS_MODULE, - .update_scan_mode = ad7997_8_update_scan_mode, + .update_scan_mode = ad799x_update_scan_mode, }; static const struct iio_info ad7993_4_7_8_irq_info = { @@ -493,7 +497,7 @@ static const struct iio_info ad7993_4_7_8_irq_info = { .read_event_value = &ad799x_read_event_value, .write_event_value = &ad799x_write_event_value, .driver_module = THIS_MODULE, - .update_scan_mode = ad7997_8_update_scan_mode, + .update_scan_mode = ad799x_update_scan_mode, }; static const struct iio_event_spec ad799x_events[] = { -- 2.30.2