From: Brian Masney Date: Sat, 12 Nov 2016 18:19:36 +0000 (-0500) Subject: staging: iio: tsl2583: clarified comment about clearing interrupts X-Git-Tag: v4.10-rc1~148^2~229^2~5 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2fb2848ff0aed03b3b42384e7289f1e58b2c4e36;p=karo-tx-linux.git 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 Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index b031fc32ec5f..65b29ed60cc6 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -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 |