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Sat, 7 Nov 2026 10:15:30 -0600 Received: from amd-System-Product-Name.amd.com (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.53 via Frontend Transport; Sat, 7 Nov 2026 10:15:26 -0600 From: Vijendar Mukunda To: CC: , , , , , , , , , , , "Vijendar Mukunda" Subject: [PATCH v3 10/11] soundwire: amd: guard DAI PCM caps by acp_rev in register_dais() Date: Sat, 7 Nov 2026 21:42:27 +0530 Message-ID: <20261107161345.3411491-11-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107161345.3411491-1-Vijendar.Mukunda@amd.com> References: <20261107161345.3411491-1-Vijendar.Mukunda@amd.com> 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF0002696B:EE_|IA0PPFFEC453979:EE_ X-MS-Office365-Filtering-Correlation-Id: b906fe1f-f744-4df7-7e0e-08df3cea614f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|376014|23010399003|1800799024|18002099003|22082099003|6133799003|10067099003|56012099006|11063799006|261028144727099003|261102123227099003|261026140227099003|261022105027099003|261021123027099003|261021121427099003|261009223027099003; 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An unrecognised revision now returns -EINVAL at DAI registration time rather than silently inheriting capabilities that may not apply to future hardware. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager_common.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/amd_manager_common.c b/drivers/soundwire/amd_manager_common.c index 06aef9c03f18..4a414fc1b02d 100644 --- a/drivers/soundwire/amd_manager_common.c +++ b/drivers/soundwire/amd_manager_common.c @@ -403,8 +403,19 @@ static int amd_sdw_register_dais(struct amd_sdw_manager *amd_manager) stream->channels_min = 2; stream->channels_max = 2; - stream->rates = SNDRV_PCM_RATE_48000; - stream->formats = SNDRV_PCM_FMTBIT_S16_LE; + switch (amd_manager->acp_rev) { + case ACP63_PCI_REV_ID: + case ACP70_PCI_REV_ID: + case ACP71_PCI_REV_ID: + case ACP72_PCI_REV_ID: + stream->rates = SNDRV_PCM_RATE_48000; + stream->formats = SNDRV_PCM_FMTBIT_S16_LE; + break; + default: + dev_err(amd_manager->dev, "unexpected acp_rev 0x%x\n", + amd_manager->acp_rev); + return -EINVAL; + } dais[i].ops = &amd_sdw_dai_ops; dais[i].id = i; -- 2.53.0