linux-kernel - Re: [PATCH 4/6] ASoC: codecs: wsa884x: parse port-mapping information

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <bfc333a1-52da-4e4e-9917-09840ac5ebea@linaro.org>
Date: Thu, 27 Jun 2024 14:58:45 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
 Banajit Goswami <bgoswami@...cinc.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH 4/6] ASoC: codecs: wsa884x: parse port-mapping information

On 27/06/2024 13:55, Srinivas Kandagatla wrote:
> Add support to parse static master port map information from device tree.
> This is required for correct port mapping between soundwire device and
> master ports.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>   sound/soc/codecs/wsa884x.c | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/sound/soc/codecs/wsa884x.c b/sound/soc/codecs/wsa884x.c
> index a9767ef0e39d..72ff71bfb827 100644
> --- a/sound/soc/codecs/wsa884x.c
> +++ b/sound/soc/codecs/wsa884x.c
> @@ -1887,6 +1887,14 @@ static int wsa884x_probe(struct sdw_slave *pdev,
>   	wsa884x->sconfig.direction = SDW_DATA_DIR_RX;
>   	wsa884x->sconfig.type = SDW_STREAM_PDM;
>   
> +	/**
> +	 * Port map index starts with 0, however the data port for this codec
> +	 * are from index 1
> +	 */
> +	if (of_property_read_u32_array(dev->of_node, "qcom,port-mapping", &pdev->m_port_map[1],
> +					WSA884X_MAX_SWR_PORTS))
> +		dev_info(dev, "Static Port mapping not specified\n");
> +
>   	pdev->prop.sink_ports = GENMASK(WSA884X_MAX_SWR_PORTS, 0);
>   	pdev->prop.simple_clk_stop_capable = true;
>   	pdev->prop.sink_dpn_prop = wsa884x_sink_dpn_prop;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>