2022-09-30 02:01:49

by Tao Lan

[permalink] [raw]
Subject: [PATCH] i2c-hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.

From: taolan <[email protected]>

For compatibility, some devices need to work with controller between
messages using a stop.

Signed-off-by: taolan <[email protected]>
---
drivers/i2c/busses/i2c-hix5hd2.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
index 61ae58f57047..e5042e34ecc7 100644
--- a/drivers/i2c/busses/i2c-hix5hd2.c
+++ b/drivers/i2c/busses/i2c-hix5hd2.c
@@ -360,7 +360,11 @@ static int hix5hd2_i2c_xfer(struct i2c_adapter *adap,
pm_runtime_get_sync(priv->dev);

for (i = 0; i < num; i++, msgs++) {
- stop = (i == num - 1);
+ if ((i == num - 1) || (msgs->flags & I2C_M_STOP))
+ stop = 1;
+ else
+ stop = 0;
+
ret = hix5hd2_i2c_xfer_msg(priv, msgs, stop);
if (ret < 0)
goto out;
--
2.22.0


2023-06-10 13:59:56

by Andi Shyti

[permalink] [raw]
Subject: Re: [PATCH] i2c-hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.

Hi Taolan,

On Fri, Sep 30, 2022 at 01:45:07AM +0000, Tao Lan wrote:
> From: taolan <[email protected]>
>
> For compatibility, some devices need to work with controller between
> messages using a stop.
>
> Signed-off-by: taolan <[email protected]>

Acked-by: Andi Shyti <[email protected]>

Thanks,
Andi

2023-06-14 09:02:29

by Wolfram Sang

[permalink] [raw]
Subject: Re: [PATCH] i2c-hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.

On Fri, Sep 30, 2022 at 01:45:07AM +0000, Tao Lan wrote:
> From: taolan <[email protected]>
>
> For compatibility, some devices need to work with controller between
> messages using a stop.
>
> Signed-off-by: taolan <[email protected]>

Applied to for-next, thanks!

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