* [PATCH] commands: i2c_write: enable reg == 0 too
@ 2018-04-17 3:58 Antony Pavlov
2018-04-17 7:25 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: Antony Pavlov @ 2018-04-17 3:58 UTC (permalink / raw)
To: barebox
This commit fixes the mistake introduced in the commit 34fadb685905
('commands: i2c_write: enable raw write to address').
The intended behaviour for i2c_write command is
"use raw i2c write only if reg address is not defined".
Before the commit 34fadb685905 reg address == 0
was acceptable. After the commit 34fadb685905 reg address == 0
became unacceptable ("undefined") and will lead to raw i2c write.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
commands/i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/commands/i2c.c b/commands/i2c.c
index 21c39fe5af..f0d16af0cb 100644
--- a/commands/i2c.c
+++ b/commands/i2c.c
@@ -131,7 +131,7 @@ static int do_i2c_write(int argc, char *argv[])
for (i = 0; i < count; i++)
*(buf + i) = (char) simple_strtol(argv[optind+i], NULL, 0);
- if (reg > 0) {
+ if (reg >= 0) {
ret = i2c_write_reg(&client, reg | wide, buf, count);
} else {
ret = i2c_master_send(&client, buf, count);
--
2.17.0
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* Re: [PATCH] commands: i2c_write: enable reg == 0 too
2018-04-17 3:58 [PATCH] commands: i2c_write: enable reg == 0 too Antony Pavlov
@ 2018-04-17 7:25 ` Sascha Hauer
0 siblings, 0 replies; 2+ messages in thread
From: Sascha Hauer @ 2018-04-17 7:25 UTC (permalink / raw)
To: Antony Pavlov; +Cc: barebox
On Tue, Apr 17, 2018 at 06:58:29AM +0300, Antony Pavlov wrote:
> This commit fixes the mistake introduced in the commit 34fadb685905
> ('commands: i2c_write: enable raw write to address').
> The intended behaviour for i2c_write command is
> "use raw i2c write only if reg address is not defined".
> Before the commit 34fadb685905 reg address == 0
> was acceptable. After the commit 34fadb685905 reg address == 0
> became unacceptable ("undefined") and will lead to raw i2c write.
>
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> ---
> commands/i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks
Sascha
>
> diff --git a/commands/i2c.c b/commands/i2c.c
> index 21c39fe5af..f0d16af0cb 100644
> --- a/commands/i2c.c
> +++ b/commands/i2c.c
> @@ -131,7 +131,7 @@ static int do_i2c_write(int argc, char *argv[])
> for (i = 0; i < count; i++)
> *(buf + i) = (char) simple_strtol(argv[optind+i], NULL, 0);
>
> - if (reg > 0) {
> + if (reg >= 0) {
> ret = i2c_write_reg(&client, reg | wide, buf, count);
> } else {
> ret = i2c_master_send(&client, buf, count);
> --
> 2.17.0
>
>
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