linux-kernel - Re: [PATCH V2 2/3] leds: Add pm8350c support to Qualcomm LPG driver

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Date:   Fri, 22 Oct 2021 10:22:37 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Satya Priya <skakit@...eaurora.org>
Cc:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>, swboyd@...omium.org,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V2 2/3] leds: Add pm8350c support to Qualcomm LPG driver

On Tue 19 Oct 03:48 PDT 2021, Satya Priya wrote:

> From: satya priya <skakit@...eaurora.org>
> 
> Add pm8350c compatible and lpg_data to the driver.
> 
> Signed-off-by: satya priya <skakit@...eaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
> ---
> Changes in V2:
>  - Added const for lpg_channel_data[] struct.
> 
>  drivers/leds/rgb/leds-qcom-lpg.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
> index 45ef4ec..99235af 100644
> --- a/drivers/leds/rgb/leds-qcom-lpg.c
> +++ b/drivers/leds/rgb/leds-qcom-lpg.c
> @@ -1275,9 +1275,19 @@ static const struct lpg_data pm8150l_lpg_data = {
>  	},
>  };
>  
> +static const struct lpg_data pm8350c_pwm_data = {
> +	.pwm_9bit_mask = BIT(2),
> +
> +	.num_channels = 1,

No, this should be 4. The fact that you only care about the first
channel in your product should be reflected in the dts, not in the
driver.

Thanks,
Bjorn

> +	.channels = (const struct lpg_channel_data[]) {
> +		{ .base = 0xeb00 },
> +	},
> +};
> +
>  static const struct of_device_id lpg_of_table[] = {
>  	{ .compatible = "qcom,pm8150b-lpg", .data = &pm8150b_lpg_data },
>  	{ .compatible = "qcom,pm8150l-lpg", .data = &pm8150l_lpg_data },
> +	{ .compatible = "qcom,pm8350c-pwm", .data = &pm8350c_pwm_data },
>  	{ .compatible = "qcom,pm8916-pwm", .data = &pm8916_pwm_data },
>  	{ .compatible = "qcom,pm8941-lpg", .data = &pm8941_lpg_data },
>  	{ .compatible = "qcom,pm8994-lpg", .data = &pm8994_lpg_data },
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member 
> of Code Aurora Forum, hosted by The Linux Foundation
>