* [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf()
@ 2022-09-28 1:41 ` yexingchen116
0 siblings, 0 replies; 5+ messages in thread
From: yexingchen116 @ 2022-09-28 1:41 UTC (permalink / raw)
To: jingoohan1
Cc: lee, daniel.thompson, deller, dri-devel, linux-fbdev,
linux-kernel, ye xingchen
From: ye xingchen <ye.xingchen@zte.com.cn>
Replace the open-code with sysfs_emit() to simplify the code.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
v1 -> v2
Add the rest of this fixes for this pattern in the 'drivers/video/backlight' directory.
drivers/video/backlight/lm3533_bl.c | 10 +++++-----
drivers/video/backlight/lp855x_bl.c | 4 ++--
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index 1df1b6643c0b..5e2ce9285245 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/drivers/video/backlight/lm3533_bl.c
@@ -66,7 +66,7 @@ static ssize_t show_id(struct device *dev,
{
struct lm3533_bl *bl = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id);
+ return sysfs_emit(buf, "%d\n", bl->id);
}
static ssize_t show_als_channel(struct device *dev,
@@ -75,7 +75,7 @@ static ssize_t show_als_channel(struct device *dev,
struct lm3533_bl *bl = dev_get_drvdata(dev);
unsigned channel = lm3533_bl_get_ctrlbank_id(bl);
- return scnprintf(buf, PAGE_SIZE, "%u\n", channel);
+ return sysfs_emit(buf, "%u\n", channel);
}
static ssize_t show_als_en(struct device *dev,
@@ -95,7 +95,7 @@ static ssize_t show_als_en(struct device *dev,
mask = 1 << (2 * ctrlbank);
enable = val & mask;
- return scnprintf(buf, PAGE_SIZE, "%d\n", enable);
+ return sysfs_emit(buf, "%d\n", enable);
}
static ssize_t store_als_en(struct device *dev,
@@ -147,7 +147,7 @@ static ssize_t show_linear(struct device *dev,
else
linear = 0;
- return scnprintf(buf, PAGE_SIZE, "%x\n", linear);
+ return sysfs_emit(buf, "%x\n", linear);
}
static ssize_t store_linear(struct device *dev,
@@ -190,7 +190,7 @@ static ssize_t show_pwm(struct device *dev,
if (ret)
return ret;
- return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+ return sysfs_emit(buf, "%u\n", val);
}
static ssize_t store_pwm(struct device *dev,
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index bd0bdeae23a4..fafc1a9e76ef 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -293,7 +293,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev,
{
struct lp855x *lp = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname);
+ return sysfs_emit(buf, "%s\n", lp->chipname);
}
static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
@@ -307,7 +307,7 @@ static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
else if (lp->mode == REGISTER_BASED)
strmode = "register based";
- return scnprintf(buf, PAGE_SIZE, "%s\n", strmode);
+ return sysfs_emit(buf, "%s\n", strmode);
}
static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL);
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf()
@ 2022-09-28 1:41 ` yexingchen116
0 siblings, 0 replies; 5+ messages in thread
From: yexingchen116 @ 2022-09-28 1:41 UTC (permalink / raw)
To: jingoohan1
Cc: daniel.thompson, ye xingchen, deller, lee, linux-kernel,
dri-devel, linux-fbdev
From: ye xingchen <ye.xingchen@zte.com.cn>
Replace the open-code with sysfs_emit() to simplify the code.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
v1 -> v2
Add the rest of this fixes for this pattern in the 'drivers/video/backlight' directory.
drivers/video/backlight/lm3533_bl.c | 10 +++++-----
drivers/video/backlight/lp855x_bl.c | 4 ++--
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index 1df1b6643c0b..5e2ce9285245 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/drivers/video/backlight/lm3533_bl.c
@@ -66,7 +66,7 @@ static ssize_t show_id(struct device *dev,
{
struct lm3533_bl *bl = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id);
+ return sysfs_emit(buf, "%d\n", bl->id);
}
static ssize_t show_als_channel(struct device *dev,
@@ -75,7 +75,7 @@ static ssize_t show_als_channel(struct device *dev,
struct lm3533_bl *bl = dev_get_drvdata(dev);
unsigned channel = lm3533_bl_get_ctrlbank_id(bl);
- return scnprintf(buf, PAGE_SIZE, "%u\n", channel);
+ return sysfs_emit(buf, "%u\n", channel);
}
static ssize_t show_als_en(struct device *dev,
@@ -95,7 +95,7 @@ static ssize_t show_als_en(struct device *dev,
mask = 1 << (2 * ctrlbank);
enable = val & mask;
- return scnprintf(buf, PAGE_SIZE, "%d\n", enable);
+ return sysfs_emit(buf, "%d\n", enable);
}
static ssize_t store_als_en(struct device *dev,
@@ -147,7 +147,7 @@ static ssize_t show_linear(struct device *dev,
else
linear = 0;
- return scnprintf(buf, PAGE_SIZE, "%x\n", linear);
+ return sysfs_emit(buf, "%x\n", linear);
}
static ssize_t store_linear(struct device *dev,
@@ -190,7 +190,7 @@ static ssize_t show_pwm(struct device *dev,
if (ret)
return ret;
- return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+ return sysfs_emit(buf, "%u\n", val);
}
static ssize_t store_pwm(struct device *dev,
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index bd0bdeae23a4..fafc1a9e76ef 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -293,7 +293,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev,
{
struct lp855x *lp = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname);
+ return sysfs_emit(buf, "%s\n", lp->chipname);
}
static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
@@ -307,7 +307,7 @@ static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
else if (lp->mode == REGISTER_BASED)
strmode = "register based";
- return scnprintf(buf, PAGE_SIZE, "%s\n", strmode);
+ return sysfs_emit(buf, "%s\n", strmode);
}
static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL);
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf()
2022-09-28 1:41 ` yexingchen116
@ 2022-09-28 8:27 ` Daniel Thompson
-1 siblings, 0 replies; 5+ messages in thread
From: Daniel Thompson @ 2022-09-28 8:27 UTC (permalink / raw)
To: yexingchen116
Cc: jingoohan1, lee, deller, dri-devel, linux-fbdev, linux-kernel,
ye xingchen
On Wed, Sep 28, 2022 at 01:41:15AM +0000, yexingchen116@gmail.com wrote:
> From: ye xingchen <ye.xingchen@zte.com.cn>
>
> Replace the open-code with sysfs_emit() to simplify the code.
>
> Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
> ---
> v1 -> v2
> Add the rest of this fixes for this pattern in the 'drivers/video/backlight' directory.
> drivers/video/backlight/lm3533_bl.c | 10 +++++-----
> drivers/video/backlight/lp855x_bl.c | 4 ++--
What happened to the lp8788 fixes?
Daniel.
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
> index 1df1b6643c0b..5e2ce9285245 100644
> --- a/drivers/video/backlight/lm3533_bl.c
> +++ b/drivers/video/backlight/lm3533_bl.c
> @@ -66,7 +66,7 @@ static ssize_t show_id(struct device *dev,
> {
> struct lm3533_bl *bl = dev_get_drvdata(dev);
>
> - return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id);
> + return sysfs_emit(buf, "%d\n", bl->id);
> }
>
> static ssize_t show_als_channel(struct device *dev,
> @@ -75,7 +75,7 @@ static ssize_t show_als_channel(struct device *dev,
> struct lm3533_bl *bl = dev_get_drvdata(dev);
> unsigned channel = lm3533_bl_get_ctrlbank_id(bl);
>
> - return scnprintf(buf, PAGE_SIZE, "%u\n", channel);
> + return sysfs_emit(buf, "%u\n", channel);
> }
>
> static ssize_t show_als_en(struct device *dev,
> @@ -95,7 +95,7 @@ static ssize_t show_als_en(struct device *dev,
> mask = 1 << (2 * ctrlbank);
> enable = val & mask;
>
> - return scnprintf(buf, PAGE_SIZE, "%d\n", enable);
> + return sysfs_emit(buf, "%d\n", enable);
> }
>
> static ssize_t store_als_en(struct device *dev,
> @@ -147,7 +147,7 @@ static ssize_t show_linear(struct device *dev,
> else
> linear = 0;
>
> - return scnprintf(buf, PAGE_SIZE, "%x\n", linear);
> + return sysfs_emit(buf, "%x\n", linear);
> }
>
> static ssize_t store_linear(struct device *dev,
> @@ -190,7 +190,7 @@ static ssize_t show_pwm(struct device *dev,
> if (ret)
> return ret;
>
> - return scnprintf(buf, PAGE_SIZE, "%u\n", val);
> + return sysfs_emit(buf, "%u\n", val);
> }
>
> static ssize_t store_pwm(struct device *dev,
> diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
> index bd0bdeae23a4..fafc1a9e76ef 100644
> --- a/drivers/video/backlight/lp855x_bl.c
> +++ b/drivers/video/backlight/lp855x_bl.c
> @@ -293,7 +293,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev,
> {
> struct lp855x *lp = dev_get_drvdata(dev);
>
> - return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname);
> + return sysfs_emit(buf, "%s\n", lp->chipname);
> }
>
> static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
> @@ -307,7 +307,7 @@ static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
> else if (lp->mode == REGISTER_BASED)
> strmode = "register based";
>
> - return scnprintf(buf, PAGE_SIZE, "%s\n", strmode);
> + return sysfs_emit(buf, "%s\n", strmode);
> }
>
> static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL);
> --
> 2.25.1
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf()
@ 2022-09-28 8:27 ` Daniel Thompson
0 siblings, 0 replies; 5+ messages in thread
From: Daniel Thompson @ 2022-09-28 8:27 UTC (permalink / raw)
To: yexingchen116
Cc: linux-fbdev, jingoohan1, deller, lee, linux-kernel, dri-devel,
ye xingchen
On Wed, Sep 28, 2022 at 01:41:15AM +0000, yexingchen116@gmail.com wrote:
> From: ye xingchen <ye.xingchen@zte.com.cn>
>
> Replace the open-code with sysfs_emit() to simplify the code.
>
> Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
> ---
> v1 -> v2
> Add the rest of this fixes for this pattern in the 'drivers/video/backlight' directory.
> drivers/video/backlight/lm3533_bl.c | 10 +++++-----
> drivers/video/backlight/lp855x_bl.c | 4 ++--
What happened to the lp8788 fixes?
Daniel.
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
> index 1df1b6643c0b..5e2ce9285245 100644
> --- a/drivers/video/backlight/lm3533_bl.c
> +++ b/drivers/video/backlight/lm3533_bl.c
> @@ -66,7 +66,7 @@ static ssize_t show_id(struct device *dev,
> {
> struct lm3533_bl *bl = dev_get_drvdata(dev);
>
> - return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id);
> + return sysfs_emit(buf, "%d\n", bl->id);
> }
>
> static ssize_t show_als_channel(struct device *dev,
> @@ -75,7 +75,7 @@ static ssize_t show_als_channel(struct device *dev,
> struct lm3533_bl *bl = dev_get_drvdata(dev);
> unsigned channel = lm3533_bl_get_ctrlbank_id(bl);
>
> - return scnprintf(buf, PAGE_SIZE, "%u\n", channel);
> + return sysfs_emit(buf, "%u\n", channel);
> }
>
> static ssize_t show_als_en(struct device *dev,
> @@ -95,7 +95,7 @@ static ssize_t show_als_en(struct device *dev,
> mask = 1 << (2 * ctrlbank);
> enable = val & mask;
>
> - return scnprintf(buf, PAGE_SIZE, "%d\n", enable);
> + return sysfs_emit(buf, "%d\n", enable);
> }
>
> static ssize_t store_als_en(struct device *dev,
> @@ -147,7 +147,7 @@ static ssize_t show_linear(struct device *dev,
> else
> linear = 0;
>
> - return scnprintf(buf, PAGE_SIZE, "%x\n", linear);
> + return sysfs_emit(buf, "%x\n", linear);
> }
>
> static ssize_t store_linear(struct device *dev,
> @@ -190,7 +190,7 @@ static ssize_t show_pwm(struct device *dev,
> if (ret)
> return ret;
>
> - return scnprintf(buf, PAGE_SIZE, "%u\n", val);
> + return sysfs_emit(buf, "%u\n", val);
> }
>
> static ssize_t store_pwm(struct device *dev,
> diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
> index bd0bdeae23a4..fafc1a9e76ef 100644
> --- a/drivers/video/backlight/lp855x_bl.c
> +++ b/drivers/video/backlight/lp855x_bl.c
> @@ -293,7 +293,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev,
> {
> struct lp855x *lp = dev_get_drvdata(dev);
>
> - return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname);
> + return sysfs_emit(buf, "%s\n", lp->chipname);
> }
>
> static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
> @@ -307,7 +307,7 @@ static ssize_t lp855x_get_bl_ctl_mode(struct device *dev,
> else if (lp->mode == REGISTER_BASED)
> strmode = "register based";
>
> - return scnprintf(buf, PAGE_SIZE, "%s\n", strmode);
> + return sysfs_emit(buf, "%s\n", strmode);
> }
>
> static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL);
> --
> 2.25.1
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf()
@ 2022-09-29 5:54 葉星辰
0 siblings, 0 replies; 5+ messages in thread
From: 葉星辰 @ 2022-09-29 5:54 UTC (permalink / raw)
To: daniel.thompson
Cc: linux-fbdev, jingoohan1, deller, lee, linux-kernel, dri-devel,
ye.xingchen, yexingchen116
[-- Attachment #1: Type: text/plain, Size: 262 bytes --]
Thanks for your reply.
This patch about lp8788 fixes have already applied in:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=61e86018aebffd172c9da967f284469924d5e947
So this patch just fixed the rest.
Best Regards,
YE XINGCHEN
[-- Attachment #2: Type: text/html, Size: 583 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-09-29 5:54 UTC | newest]
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2022-09-28 1:41 [PATCH linux-next v2] backlight: use sysfs_emit() to instead of scnprintf() yexingchen116
2022-09-28 1:41 ` yexingchen116
2022-09-28 8:27 ` Daniel Thompson
2022-09-28 8:27 ` Daniel Thompson
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2022-09-29 5:54 葉星辰
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