| Message ID | 20220425032824.211975-1-danct12@riseup.net (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | arm64: dts: qcom: sdm660-xiaomi-lavender: Configure WLED | expand |
25.04.2022 06:28, Dang Huynh wrote: > WLED is used for controlling display backlight on this phone. > Hi! Interacting with wled changes brightness indeed, but results in the following trace in dmesg: ``` [ 499.906317] ------------[ cut here ]------------ [ 499.906478] Unbalanced enable for IRQ 39 [ 499.910118] WARNING: CPU: 4 PID: 74 at kernel/irq/manage.c:774 __enable_irq+0x4c/0x80 [ 499.914094] Modules linked in: [ 499.921705] CPU: 4 PID: 74 Comm: kworker/4:2 Not tainted 5.17.0-sdm660-07615-gd33d148796b0-dirty #23 [ 499.924800] Hardware name: Xiaomi Redmi Note 7 (DT) [ 499.933988] Workqueue: events wled_ovp_work [ 499.938571] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 499.942803] pc : __enable_irq+0x4c/0x80 [ 499.949687] lr : __enable_irq+0x4c/0x80 [ 499.953506] sp : ffff800008a73d70 [ 499.957311] x29: ffff800008a73d70 x28: 0000000000000000 x27: 0000000000000000 [ 499.960890] x26: ffffad5f9fa4efc0 x25: ffff60283e4baf05 x24: ffff602781f65130 [ 499.968010] x23: ffff60283e4baf00 x22: ffff60283e4b7180 x21: 0000000000000000 [ 499.975128] x20: 0000000000000027 x19: ffff602781136600 x18: ffffffffffffffff [ 499.982243] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000001 [ 499.989363] x14: 0000000000000000 x13: ffffad5f9f92fea8 x12: 0000000000000357 [ 499.996479] x11: 000000000000011d x10: ffffad5f9f987ea8 x9 : ffffad5f9f92fea8 [ 500.003597] x8 : 00000000ffffefff x7 : ffffad5f9f987ea8 x6 : 0000000000000000 [ 500.010714] x5 : 000000000000bff4 x4 : 0000000000000000 x3 : 0000000000000000 [ 500.017832] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff6027820c8000 [ 500.024954] Call trace: [ 500.047230] __enable_irq+0x4c/0x80 [ 500.062686] enable_irq+0x48/0xa0 [ 500.078190] wled_ovp_work+0x14/0x20 [ 500.093761] process_one_work+0x1d0/0x320 [ 500.105080] worker_thread+0x14c/0x444 [ 500.120700] kthread+0x10c/0x110 [ 500.136347] ret_from_fork+0x10/0x20 [ 500.151981] ---[ end trace 0000000000000000 ]--- ```
On Mon, 25 Apr 2022 10:28:24 +0700, Dang Huynh wrote: > WLED is used for controlling display backlight on this phone. > > Applied, thanks! [1/1] arm64: dts: qcom: sdm660-xiaomi-lavender: Configure WLED commit: b74f7b8f174f0ce2261cc05050dcbfed3314ab1e Best regards,
diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts index dcbaacf18f66..7a30008ee0dd 100644 --- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts +++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts @@ -363,6 +363,14 @@ vreg_l19a_3p3: l19 { }; }; +&pm660l_wled { + status = "okay"; + + qcom,switching-freq = <800>; + qcom,current-limit-microamp = <20000>; + qcom,num-strings = <2>; +}; + &sdhc_1 { status = "okay"; supports-cqe;
WLED is used for controlling display backlight on this phone. Signed-off-by: Dang Huynh <danct12@riseup.net> --- arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts | 8 ++++++++ 1 file changed, 8 insertions(+)