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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aa67d6fcd3dsm778291366b.80.2024.12.13.05.07.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Dec 2024 05:07:18 -0800 (PST) Message-ID: <511d5ff7-75d3-4c40-bc87-3087f308571b@oss.qualcomm.com> Date: Fri, 13 Dec 2024 14:07:16 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 3/3] arm64: dts: qcom: sdm845-db845c: add i2s playback support via LS1 connector To: Alexey Klimov , broonie@kernel.org, konradybcio@kernel.org, andersson@kernel.org, srinivas.kandagatla@linaro.org Cc: tiwai@suse.com, lgirdwood@gmail.com, perex@perex.cz, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dmitry.baryshkov@linaro.org, linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241205023344.2232529-1-alexey.klimov@linaro.org> <20241205023344.2232529-4-alexey.klimov@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20241205023344.2232529-4-alexey.klimov@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 4mNZigmEAsjWpKLjAzEwoglVXc4hFMcl X-Proofpoint-ORIG-GUID: 4mNZigmEAsjWpKLjAzEwoglVXc4hFMcl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 bulkscore=0 mlxlogscore=966 spamscore=0 clxscore=1015 impostorscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130092 On 5.12.2024 3:33 AM, Alexey Klimov wrote: > DB845c board (RB3 board) has i2s signals exported via the first low-speed > connector and this is also required by 96boards specification. Enable > playback support via this connector. Since this is specific only to DB845c > board the pins configuration is also in this board-specific file only. > > This playback output is fixed to 16bit, i2s format and 48 kHz and works > with simple DACs. > > It was verified with the following commands: > amixer -c0 cset iface=MIXER,name='SEC_MI2S_RX Audio Mixer MultiMedia3' 1 > SDL_AUDIODRIVER="alsa" AUDIODEV="hw:0,2" ffplay -autoexit test.mp3 > > Signed-off-by: Alexey Klimov > --- Reviewed-by: Konrad Dybcio Konrad