lkml.org 
[lkml]   [2022]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v4 1/2] leds: flash: add driver to support flash LED module in QCOM PMICs
From


On 2022/10/31 21:56, Luca Weiss wrote:
> Hi Fenglin,
>
> On Tue Oct 25, 2022 at 9:38 AM CEST, 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@quicinc.com>
>> Tested-by: Luca Weiss <luca.weiss@fairphone.com> # sm7225-fairphone-fp4 + pm6150l
>> ---
>> drivers/leds/flash/Kconfig | 15 +
>> drivers/leds/flash/Makefile | 1 +
>> drivers/leds/flash/leds-qcom-flash.c | 700 +++++++++++++++++++++++++++
>> 3 files changed, 716 insertions(+)
>> create mode 100644 drivers/leds/flash/leds-qcom-flash.c
>>
>
> <snip>
>
>> +static const struct of_device_id qcom_flash_led_match_table[] = {
>> + { .compatible = "qcom,spmi-flash-led" },
>> + { }
>> +};
>
> Dylan has noticed that auto-loading the module based on dt match doesn't
> work currently. It seems that this line is missing here to enable that:
>
> MODULE_DEVICE_TABLE(of, qcom_flash_led_match_table);
>
> Please add it for v5!
>
> Regards
> Luca
>
Will add it for v5, thank you!

>> +
>> +static struct platform_driver qcom_flash_led_driver = {
>> + .driver = {
>> + .name = "leds-qcom-flash",
>> + .of_match_table = qcom_flash_led_match_table,
>> + },
>> + .probe = qcom_flash_led_probe,
>> + .remove = qcom_flash_led_remove,
>> +};
>> +
>> +module_platform_driver(qcom_flash_led_driver);
>> +
>> +MODULE_DESCRIPTION("QCOM Flash LED driver");
>> +MODULE_LICENSE("GPL");
>> --
>> 2.25.1
>

\
 
 \ /
  Last update: 2022-11-01 06:12    [W:0.199 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site