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%3Ba=su...
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