Re: [PATCH RESEND v3] leds: flash: leds-qcom-flash: limit LED current based on thermal condition

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On 7/5/2024 3:55 PM, Fenglin Wu via B4 Relay wrote:
From: Fenglin Wu <quic_fenglinw@xxxxxxxxxxx>

The flash module has status bits to indicate different thermal
conditions which are called as OTSTx. For each OTSTx status,
there is a recommended total flash current for all channels to
prevent the flash module entering into higher thermal level.
For example, the total flash current should be limited to 1000mA/500mA
respectively when the HW reaches the OTST1/OTST2 thermal level.

Signed-off-by: Fenglin Wu <quic_fenglinw@xxxxxxxxxxx>
---
Changes in v3:
- Fix coding style issues to address review comments in v2.
- Link to v2: https://lore.kernel.org/r/20240513-qcom_flash_thermal_derating-v2-1-e41a07d0eb83@xxxxxxxxxxx

Changes in v2:
- Update thermal threshold level 2 register definition for mvflash_4ch_regs.
     Mvflash_4ch module thermal threshold level 2 configuration register
     offset is 0x78, not succeeding from thermal threshold level 1 register 0x7a.
     Hence it is not appropriate to use REG_FIELD_ID to define thermal threshold
     register fileds like mvflash_3ch. Update to use REG_FIELD instead.
- Link to v1: https://lore.kernel.org/r/20240509-qcom_flash_thermal_derating-v1-1-1d5e68e5d71c@xxxxxxxxxxx
---

Hi Jones,

Can you help to review the change again when you are available?

Fenglin

Best regards,




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