From: <gregkh@linuxfoundation.org>
To: tnhuynh@apm.com, alexander.levin@microsoft.com,
gregkh@linuxfoundation.org, jacek.anaszewski@gmail.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "leds: pca955x: Correct I2C Functionality" has been added to the 4.4-stable tree
Date: Tue, 10 Apr 2018 11:04:23 +0200 [thread overview]
Message-ID: <1523351063232197@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
leds: pca955x: Correct I2C Functionality
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
leds-pca955x-correct-i2c-functionality.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Tue Apr 10 10:31:53 CEST 2018
From: Tin Huynh <tnhuynh@apm.com>
Date: Mon, 22 May 2017 16:19:20 +0700
Subject: leds: pca955x: Correct I2C Functionality
From: Tin Huynh <tnhuynh@apm.com>
[ Upstream commit aace34c0bb8ea3c8bdcec865b6a4be4db0a68e33 ]
The driver checks an incorrect flag of functionality of adapter.
When a driver requires i2c_smbus_read_byte_data and
i2c_smbus_write_byte_data, it should check I2C_FUNC_SMBUS_BYTE_DATA
instead I2C_FUNC_I2C.
This patch fixes the problem.
Signed-off-by: Tin Huynh <tnhuynh@apm.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/leds/leds-pca955x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -281,7 +281,7 @@ static int pca955x_probe(struct i2c_clie
"slave address 0x%02x\n",
id->name, chip->bits, client->addr);
- if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
if (pdata) {
Patches currently in stable-queue which might be from tnhuynh@apm.com are
queue-4.4/leds-pca955x-correct-i2c-functionality.patch
reply other threads:[~2018-04-10 9:05 UTC|newest]
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