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Groups > linux.kernel > #1520334
| From | Brian Masney <masneyb@onstation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 05/26] staging: iio: tsl2583: remove redundant write to the control register in taos_probe() |
| Date | 2016-11-12 19:30 +0100 |
| Message-ID | <sCLdT-5L4-21@gated-at.bofh.it> (permalink) |
| References | <sCLdT-5L4-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
taos_probe() calls i2c_smbus_write_byte() to select the control
register, however there are no subsequent calls to
i2c_smbus_read_byte(). The write call is unnecessary and is removed by
this patch.
Verified that the driver still functions correctly using a TSL2581
hooked up to a Raspberry Pi 2.
Signed-off-by: Brian Masney <masneyb@onstation.org>
---
drivers/staging/iio/light/tsl2583.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
index 5a32102..449506b 100644
--- a/drivers/staging/iio/light/tsl2583.c
+++ b/drivers/staging/iio/light/tsl2583.c
@@ -788,14 +788,6 @@ static int taos_probe(struct i2c_client *clientp,
return -EINVAL;
}
- ret = i2c_smbus_write_byte(clientp, (TSL258X_CMD_REG | TSL258X_CNTRL));
- if (ret < 0) {
- dev_err(&clientp->dev,
- "i2c_smbus_write_byte() to cmd reg failed in taos_probe(), err = %d\n",
- ret);
- return ret;
- }
-
indio_dev->info = &tsl2583_info;
indio_dev->channels = tsl2583_channels;
indio_dev->num_channels = ARRAY_SIZE(tsl2583_channels);
--
2.7.4
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[PATCH v4 05/26] staging: iio: tsl2583: remove redundant write to the control register in taos_probe() Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
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