i2c_master_send returns negative errno, or else the number of bytes written.
Signed-off-by: Axel Lin <axel....@gmail.com>
---
drivers/media/radio/tef6862.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c
index 0991e19..3408685 100644
--- a/drivers/media/radio/tef6862.c
+++ b/drivers/media/radio/tef6862.c
@@ -118,9 +118,11 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd,
struct v4l2_frequency *f)
i2cmsg[2] = pll & 0xff;
err = i2c_master_send(client, i2cmsg, sizeof(i2cmsg));
- if (!err)
- state->freq = f->frequency;
- return err;
+ if (err != sizeof(i2cmsg))
+ return err < 0 ? err : -EIO;
+
+ state->freq = f->frequency;
+ return 0;
}
static int tef6862_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency
*f)
--
1.7.5.4
--
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