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Mon, 13 Sep 2021 16:42:55 +0000 Received: from audio.nvidia.com (172.20.187.6) by mail.nvidia.com (172.20.187.13) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Mon, 13 Sep 2021 16:42:51 +0000 From: Sameer Pujar To: , , , , , , , , , CC: , , , , , , Sameer Pujar Subject: [PATCH v2 03/13] ASoC: audio-graph: Fixup CPU endpoint hw_params in a BE<->BE link Date: Mon, 13 Sep 2021 22:12:11 +0530 Message-ID: <1631551342-25469-4-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631551342-25469-1-git-send-email-spujar@nvidia.com> References: <1631551342-25469-1-git-send-email-spujar@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 34742146-34c5-4b69-7a35-08d976d58a1e X-MS-TrafficTypeDiagnostic: DM4PR12MB5118: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1824; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2021 16:42:56.5301 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 34742146-34c5-4b69-7a35-08d976d58a1e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.34];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT027.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5118 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org When multiple components are connected back to back in an audio path, hw_param fixup may be required for CPU or Codec endpoint of BE<->BE DAI links. Currently fixup support is available for Codec and this commit adds similar feature for CPU endpoint of a BE<->BE link. For example a resampler component can be plugged into an audio path. [ FE -> BE1 -> ... -> resampler -> ... BEn ] The resampler DAI links can be: BEx (CPU) -> resampler input (Codec) resampler output (CPU) -> BEy (Codec) Thus input and output sample rate parameters for resampler can be fixed up as per the resample requirement. Signed-off-by: Sameer Pujar Cc: Kuninori Morimoto --- sound/soc/generic/audio-graph-card.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 546f6fd..7eb0272 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -310,8 +310,10 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, * For example: FE <-> BE1 <-> BE2 <-> ... <-> BEn where * there are 'n' BE components in the path. */ - if (card->component_chaining && !soc_component_is_pcm(cpus)) + if (card->component_chaining && !soc_component_is_pcm(cpus)) { dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_simple_be_hw_params_fixup; + } asoc_simple_canonicalize_cpu(cpus, is_single_links); asoc_simple_canonicalize_platform(platforms, cpus); -- 2.7.4