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[PATCH v4 21/26] staging: iio: tsl2583: clarified comment about clearing interrupts

From Brian Masney <masneyb@onstation.org>
Newsgroups linux.kernel
Subject [PATCH v4 21/26] staging: iio: tsl2583: clarified comment about clearing interrupts
Date 2016-11-12 19:30 +0100
Message-ID <sCLdV-5L4-81@gated-at.bofh.it> (permalink)
References <sCLdT-5L4-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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>
---
 drivers/staging/iio/light/tsl2583.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
index 806cb0a..727ed49 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 |
-- 
2.7.4

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[PATCH v4 00/26] staging: iio: tsl2583: move out of staging Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 14/26] staging: iio: tsl2583: updated code comment to match what the code does Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 24/26] staging: iio: tsl2583: remove unnecessary variable initialization Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 08/26] staging: iio: tsl2583: unify function and variable prefix to tsl2583_ Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 22/26] staging: iio: tsl2583: remove comment for tsl2583_probe() Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
    Re: [PATCH v4 22/26] staging: iio: tsl2583: remove comment for  tsl2583_probe() Jonathan Cameron <jic23@kernel.org> - 2016-11-13 13:30 +0100
  [PATCH v4 21/26] staging: iio: tsl2583: clarified comment about clearing interrupts Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 10/26] staging: iio: tsl2583: fix comparison between signed and unsigned integers Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
  [PATCH v4 01/26] staging: iio: tsl2583: check if chip is in a working state in in_illuminance_calibrate_store Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
    Re: [PATCH v4 01/26] staging: iio: tsl2583: check if chip is in a  working state in in_illuminance_calibrate_store Jonathan Cameron <jic23@kernel.org> - 2016-11-13 13:00 +0100
  [PATCH v4 03/26] staging: iio: tsl2583: remove unnecessary chip status checks in suspend/resume Brian Masney <masneyb@onstation.org> - 2016-11-12 19:30 +0100
    Re: [PATCH v4 03/26] staging: iio: tsl2583: remove unnecessary chip  status checks in suspend/resume Jonathan Cameron <jic23@kernel.org> - 2016-11-13 13:00 +0100
  Re: [PATCH v4 26/26] staging: iio: tsl2583: move out of staging Brian Masney <masneyb@onstation.org> - 2016-11-13 17:20 +0100

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