On Fri 2023-03-03 17:50:22, Fenglin Wu wrote:
> Add initial driver to support flash LED module found in Qualcomm
> Technologies, Inc. PMICs. The flash module can have 3 or 4 channels
> and each channel can be controlled indepedently and support full scale
> current up to 1.5 A. It also supports connecting two channels together
> to supply one LED component with full scale current up to 2 A. In that
> case, the current will be split on each channel symmetrically and the
> channels will be enabled and disabled at the same time.
>
> Signed-off-by: Fenglin Wu <quic_fenglinw@xxxxxxxxxxx>
> Tested-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx> # sm7225-fairphone-fp4 + pm6150l
> + flash->led_cdev.brightness_set_blocking = qcom_flash_led_brightness_set;
> +
> + init_data.fwnode = node;
> + init_data.devicename = NULL;
> + init_data.default_label = NULL;
> + init_data.devname_mandatory = false;
> +
> + rc = devm_led_classdev_flash_register_ext(dev, flash, &init_data);
> + if (rc < 0) {
> + dev_err(dev, "Register flash LED classdev failed, rc=%d\n", rc);
> + return rc;
> + }
I'd expect setting max_brightness somewhere around here.
What does cat /sys/class/leds/*/max_brightness say (and what directory
name are you using)?
BR, Pavel
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