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Date: Mon, 27 Apr 2020 11:55:55 +0200 From: Mathieu Othacehe <m.othacehe@...il.com> To: jic23@...nel.org, knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, Mathieu Othacehe <m.othacehe@...il.com> Subject: [PATCH v6 1/5] iio: vcnl4000: Fix i2c swapped word reading. The bytes returned by the i2c reading need to be swapped unconditionally. Otherwise, on be16 platforms, an incorrect value will be returned. --- drivers/iio/light/vcnl4000.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 58e97462e803..e5f86bd00fb0 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -219,7 +219,6 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, u8 rdy_mask, u8 data_reg, int *val) { int tries = 20; - __be16 buf; int ret; mutex_lock(&data->vcnl4000_lock); @@ -246,13 +245,12 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, goto fail; } - ret = i2c_smbus_read_i2c_block_data(data->client, - data_reg, sizeof(buf), (u8 *) &buf); + ret = i2c_smbus_read_word_swapped(data->client, data_reg); if (ret < 0) goto fail; mutex_unlock(&data->vcnl4000_lock); - *val = be16_to_cpu(buf); + *val = ret; return 0; -- 2.26.0
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