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staging: iio: tsl2583: clarified comment about clearing interrupts 

The comment that describes the code that clears the interrupt bit was
vague and didn't provide much value. This patch adds more detail about
why that bit needs to be cleared.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Brian Masney 2016-11-12 13:19:36 -05:00 committed by Jonathan Cameron
parent aadc4c904d
commit 2fb2848ff0
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/iio/light/tsl2583.c
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@ -205,8 +205,9 @@ static int tsl2583_get_lux(struct iio_dev *indio_dev)
}
/*
* clear status, really interrupt status (interrupts are off), but
* we use the bit anyway - don't forget 0x80 - this is a command
* Clear the pending interrupt status bit on the chip to allow the next
* integration cycle to start. This has to be done even though this
* driver currently does not support interrupts.
*/
ret = i2c_smbus_write_byte(chip->client,
(TSL2583_CMD_REG | TSL2583_CMD_SPL_FN |