| Message ID | 20240129122829.16248-1-lujianhua000@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | backlight: ktz8866: Correct the check for of_property_read_u32 | expand |
On Mon, Jan 29, 2024 at 08:28:29PM +0800, Jianhua Lu wrote: > of_property_read_u32 returns 0 when success, so reverse the > return value to get the true value. > > Fixes: f8449c8f7355 ("backlight: ktz8866: Add support for Kinetic KTZ8866 backlight") > Signed-off-by: Jianhua Lu <lujianhua000@gmail.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Daniel.
On Mon, 29 Jan 2024 20:28:29 +0800, Jianhua Lu wrote: > of_property_read_u32 returns 0 when success, so reverse the > return value to get the true value. > > Applied, thanks! [1/1] backlight: ktz8866: Correct the check for of_property_read_u32 commit: 7c0ff4ae24bf4589b5bb460e4b31817c61fa2bef -- Lee Jones [李琼斯]
diff --git a/drivers/video/backlight/ktz8866.c b/drivers/video/backlight/ktz8866.c index 9c980f2571ee..014877b5a984 100644 --- a/drivers/video/backlight/ktz8866.c +++ b/drivers/video/backlight/ktz8866.c @@ -97,20 +97,20 @@ static void ktz8866_init(struct ktz8866 *ktz) { unsigned int val = 0; - if (of_property_read_u32(ktz->client->dev.of_node, "current-num-sinks", &val)) + if (!of_property_read_u32(ktz->client->dev.of_node, "current-num-sinks", &val)) ktz8866_write(ktz, BL_EN, BIT(val) - 1); else /* Enable all 6 current sinks if the number of current sinks isn't specified. */ ktz8866_write(ktz, BL_EN, BIT(6) - 1); - if (of_property_read_u32(ktz->client->dev.of_node, "kinetic,current-ramp-delay-ms", &val)) { + if (!of_property_read_u32(ktz->client->dev.of_node, "kinetic,current-ramp-delay-ms", &val)) { if (val <= 128) ktz8866_write(ktz, BL_CFG2, BIT(7) | (ilog2(val) << 3) | PWM_HYST); else ktz8866_write(ktz, BL_CFG2, BIT(7) | ((5 + val / 64) << 3) | PWM_HYST); } - if (of_property_read_u32(ktz->client->dev.of_node, "kinetic,led-enable-ramp-delay-ms", &val)) { + if (!of_property_read_u32(ktz->client->dev.of_node, "kinetic,led-enable-ramp-delay-ms", &val)) { if (val == 0) ktz8866_write(ktz, BL_DIMMING, 0); else {
of_property_read_u32 returns 0 when success, so reverse the return value to get the true value. Fixes: f8449c8f7355 ("backlight: ktz8866: Add support for Kinetic KTZ8866 backlight") Signed-off-by: Jianhua Lu <lujianhua000@gmail.com> --- drivers/video/backlight/ktz8866.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)