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[177.4.161.167]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d1b152f3adsm2918397eec.20.2026.04.07.08.35.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Apr 2026 08:35:49 -0700 (PDT) From: =?utf-8?q?C=C3=A1ssio_Gabriel?= Subject: [PATCH v2 0/3] ALSA: add suspend/resume support for InterWave ISA cards Date: Tue, 07 Apr 2026 12:35:40 -0300 Message-Id: <20260407-alsa-interwave-pm-v2-0-8dd96c6129e9@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/22Nyw6CMBBFf4XM2jHTRlBc+R+GRWkHGcMrLVYN4 d8FjDuXJzn33AkCe+EA52QCz1GC9N0CepeArU13YxS3MGjSGR0oQ9MEg9KN7J8mMg4tZpTrNHe lq0jDshs8V/Lamtfiy+FR3tmOa2g1aglj79/baVSr9+sf//SjQsITOaNUqqo0t5dba6TZ276FY p7nD6sFf/rEAAAA X-Change-ID: 20260406-alsa-interwave-pm-609259dbdf02 To: Takashi Iwai , Jaroslav Kysela Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?C=C3=A1ssio_Gabriel?= X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2001; i=cassiogabrielcontato@gmail.com; h=from:subject:message-id; bh=fTo4OrTyCJg21p0SMTgnlLwhIO8CKev51mtpBpdcQaY=; b=owGbwMvMwCV2IdZeKur/u2bG02pJDJlXVYJOdu23eTPLVtSR+cD6BdxCUpxJGtFeEebLNHdNt TMJF9nVUcrCIMbFICumyLI6aZHlnq4HV+vjVnjAzGFlAhnCwMUpABM508nwP7ZP1emqzvyNVdOU ZzNLhHVskWuUXyGSzCxw5lrTPb+pixj++/e66zqzWNwxmcW7uteM+8TvS8fy36058ZbHwihPoJ6 DDwA= X-Developer-Key: i=cassiogabrielcontato@gmail.com; a=openpgp; fpr=AB62A239BC8AE0D57F5EA848D05D3F1A5AFFEE83 This 3-patch series wires up suspend and resume support for the InterWave ISA drivers and their PnP front-end around the shared GUS PM helpers. The first patch moves the remaining standalone snd_tea6330t_detect() EXPORT_SYMBOL() declaration next to its function definition as a requested small cleanup. The second patch adds a small TEA6330T helper so the InterWave STB variant can restore its cached external mixer state after resume. The third patch adds ISA and PnP PM callbacks to snd-interwave and restores the remaining InterWave-specific state that the generic GUS resume path does not cover, including the GF1 board registers and the detected memory layout. The resume path intentionally does not rerun probe-time DRAM/ROM detection. As with the shared GUS PM support, this does not guarantee preservation of sample RAM contents across suspend. Signed-off-by: Cássio Gabriel --- Changes in v2: - Add a separate tea6330t cleanup patch moving the standalone snd_tea6330t_detect() EXPORT_SYMBOL() next to its function. - Extend snd_i2c_lock() to cover the full device lookup/list traversal in snd_tea6330t_restore_mixer(). - Renumber the InterWave PM patch to 3/3 after splitting out the cleanup patch. - Link to v1: https://lore.kernel.org/all/20260406-alsa-interwave-pm-v1-0-6ffa6f317c8f@gmail.com/ --- Cássio Gabriel (3): ALSA: tea6330t: move snd_tea6330t_detect() EXPORT_SYMBOL ALSA: tea6330t: add mixer state restore helper ALSA: interwave: add ISA and PnP suspend and resume callbacks include/sound/tea6330t.h | 1 + sound/i2c/tea6330t.c | 41 ++++++++++- sound/isa/gus/interwave.c | 178 +++++++++++++++++++++++++++++++++++++++------- 3 files changed, 191 insertions(+), 29 deletions(-) --- base-commit: e051f09ba003f8b93dda4a8d55a1bff797235c0b change-id: 20260406-alsa-interwave-pm-609259dbdf02 Best regards, -- Cássio Gabriel