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([2a00:f44:e0:8d11:8079:3a24:c57d:745c]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b52f3c2934sm418712a12.33.2026.11.02.06.32.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2026 06:32:30 -0800 (PST) Message-ID: Date: Mon, 2 Nov 2026 15:32:28 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 8/9] media: qcom: camss: Switch on frame_sync_en for x1e/x2e To: bryan.odonoghue@linaro.org, Vladimir Zapolskiy , Loic Poulain , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue References: <20261102-v4l2-frame-sync-v2-0-25cbed7a772f@kernel.org> <20261102-v4l2-frame-sync-v2-8-25cbed7a772f@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261102-v4l2-frame-sync-v2-8-25cbed7a772f@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAyMDA1NyBTYWx0ZWRfX6q62Q4GYnNyv ymfo1HawrkXiDo2nRTOJqyM1hKwbUwkcVo30A4gcsDA9OafVw3FxEMPjPW/tH30dAU07vsN7Cb0 Z6xuprVqTpyFHHjesBbuXb4d2yBAM287sY+4XfuXQ138ieToPn1axu9Nvqzj9TGuyvZRNeM6y1j iQh6fzjm+VSNnoSMRISFQksLe+9F1t0hxNE/vh4vzbgO+As8laTB5kejdZt1rPnDX+PnYUTUzXI PFEYhExpfaeQRVG01ubdnJ9uIQ7YSKSIjq0YLQ+WQgDiGOOwgCOpCd1rOervAhEAZ5yMMNNfmXt mwnjk00Mv1ZXiT5R5M4Uya0uDO+iS9BqxCSKQn+4QHSPqiLcdONO8UMr8w1IbCoYfn00E/4KoPP 9kQ80W/Fm5/JvGmxbtt5+6lCz5Zjf92ZZVZmzNbpC8PDHqUmHSGvWXgbwryjj2bNlW4DoZOxcXY 0l2aHt5F4GeCcQnVb1w== X-Proofpoint-GUID: v-Sv4GTGzsKW3yUd8GDpV_n0hbG0JgI- X-Authority-Analysis: v=2.4 cv=FZmiV5+6 c=1 sm=1 tr=0 ts=6ae89f01 cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=KKAkSRfTAAAA:8 a=xvBfzxcjuVojlPD1IgYA:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAyMDA1NyBTYWx0ZWRfXzWvAZkGyrgRf dLFLlpZrnWR7ozlB/7iJnUxnytR4OvDkax5e8hRBxSJJgXYtMfjP94hQFZb4P3FHorcozri2QVg 1ZON0LAoUwyjfL4v9PlkMxbzqHzJSsQ= X-Proofpoint-ORIG-GUID: v-Sv4GTGzsKW3yUd8GDpV_n0hbG0JgI- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-02_04,2026-11-02_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 malwarescore=0 spamscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611020057 On 11/2/26 2:56 PM, bryan.odonoghue@linaro.org wrote: > From: Bryan O'Donoghue > > Switch frame_sync_en to true to track and consume SOF/EOF data. > > Tested-by: Bryan O'Donoghue # x1e CRD > Signed-off-by: Bryan O'Donoghue > --- Is there a reason why it's gated behind a feature flag? Will exposing a SOF seq counter that's always zero (i.e. not implemented, never bumped) have negative consequences on userspace? Conversely, what information (i.e. platform list) are you lacking that would let us make this non-opt-in? Konrad