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Fri, 8 Feb 2019 02:01:05 +0900 (KST) Received: from AMDC3061.digital.local ([106.116.147.40]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0PMK00MP9F8VXL10@mmp1.samsung.com>; Fri, 08 Feb 2019 02:01:05 +0900 (KST) From: Sylwester Nawrocki To: broonie@kernel.org Date: Thu, 07 Feb 2019 18:00:14 +0100 Message-id: <20190207170028.720-7-s.nawrocki@samsung.com> X-Mailer: git-send-email 2.20.1 In-reply-to: <20190207170028.720-1-s.nawrocki@samsung.com> MIME-version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrFIsWRmVeSWpSXmKPExsWy7bCmrm5QSkyMwafFfBZXLh5istg4Yz2r xdSHT9gszp/fwG7x7UoHk8XlXXPYLGac38dksfbIXXaLw2/aWS0urvjC5MDlseFzE5vHzll3 2T02repk8+jbsorR4/MmuQDWKC6blNSczLLUIn27BK6MAytesRRcl6s4df4JYwPjRMkuRk4O CQETiTOnHzB1MXJxCAnsYJR4fWMnC4TznVHi7M5ZzDBVe5/vgUrsZpS43HSFESQhJPCLUeJp oz2IzSZgKNF7tA8sLiIgJnF7TiczSAOzQAuTxJy5S4EcDg5hgSCJN6cdQWpYBFQlln9bBFbP K2ApseF0KxvEMnmJ873r2EFsTgEriVv7d7BA1AhK/Jh8D8xmBqo5eOU52EESAgfYJKY+nsMI 0ewi8ejAGSaQXRIC0hKXjtpChKsldm3vZoao72CUaLmwHeoza4nDxy+yQgzlk3j3tYcVopdX oqNNCKLEQ2L9zHmMEM/3MkpMOLuRcQKj1CwkN81CctMCRqZVjGKpBcW56anFhgVGesWJucWl eel6yfm5mxjBMa5ltoNx0TmfQ4wCHIxKPLwaejExQqyJZcWVuYcYJTiYlUR4ZROAQrwpiZVV qUX58UWlOanFhxilOViUxHnXOzjHCAmkJ5akZqemFqQWwWSZODilGhgXWK9cUbaq4V2GtFvE JsdPjRfP1X3J1ZiY9EiX9ZquZ+D12ncPbiR0yjMtnMxXlhyx8NOOt6/ndn0P/bXhAPeiy+n+ 3EomPk7WE48+P8CS9ndyrkmu1pLy5q9ZfAt0Lt19fSWtTn5d/ARtm93F/8oPRWS6MJRPbX3o GqCVxZs0VfxVlsiVmUVKLMUZiYZazEXFiQC8n8p57QIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDLMWRmVeSWpSXmKPExsVy+t9jAd3AlJgYg4k/FC2uXDzEZLFxxnpW i6kPn7BZnD+/gd3i25UOJovLu+awWcw4v4/JYu2Ru+wWh9+0s1pcXPGFyYHLY8PnJjaPnbPu sntsWtXJ5tG3ZRWjx+dNcgGsUVw2Kak5mWWpRfp2CVwZB1a8Yim4Lldx6vwTxgbGiZJdjJwc EgImEnuf72HpYuTiEBLYySix4N1UZgjnF6PEyztvGEGq2AQMJXqP9oHZIgJiErfndIIVMQs0 MUnsun2RHSQhLBAg0bX3MBuIzSKgKrH82yKwBl4BS4kNp1vZINbJS5zvXQdWzylgJXFr/w4W EFsIqObDhCZWiHpBiR+T74HFmYHqD155zjKBkW8WktQsJKkFjEyrGCVTC4pz03OLjQoM81LL 9YoTc4tL89L1kvNzNzECw3jbYa2+HYz3l8QfYhTgYFTi4b2gHRMjxJpYVlyZe4hRgoNZSYRX NgEoxJuSWFmVWpQfX1Sak1p8iFGag0VJnPd23rFIIYH0xJLU7NTUgtQimCwTB6dUA+O82ews 05J/SgmI7tn/67M0x+PFvjYOHF7TG++VCd9tni83m3vZrZiF3/wXLAuUlsrfUdB3d97sXx+W bA3bW7DS8+2OKyULRF7Zmun1X+B2z5jj9G1p/7LAs492NMq9OfhCg/tC05UPc1Rqhbm5LI+8 Wxcd/rzfgu3Pwg7xHwmhyZbacuICjveVWIozEg21mIuKEwEKVPxAXwIAAA== X-CMS-MailID: 20190207170105epcas1p3d4a1da9ae268f8e95b32fb499e5a1dad CMS-TYPE: 101P X-CMS-RootMailID: 20190207170105epcas1p3d4a1da9ae268f8e95b32fb499e5a1dad References: <20190207170028.720-1-s.nawrocki@samsung.com> Cc: alsa-devel@alsa-project.org, linux-samsung-soc@vger.kernel.org, b.zolnierkie@samsung.com, sbkim73@samsung.com, lgirdwood@gmail.com, krzk@kernel.org, linux-kernel@vger.kernel.org, Sylwester Nawrocki , m.szyprowski@samsung.com Subject: [alsa-devel] [PATCH 06/22] ASoC: samsung: i2s: Restore support for the secondary PCM X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This patch introduces again registration of additional platform device as we still need it for registering the secondary dmaengine PCM component. This patch in most part is a revert of changes done in commit be2c92eb64023e ("ASoC: samsung: i2s: Remove virtual device for secondary DAI") Signed-off-by: Sylwester Nawrocki Acked-by: Krzysztof Kozlowski --- sound/soc/samsung/i2s.c | 52 +++++++++++++++++++++++++++++++++++++---- 1 file changed, 48 insertions(+), 4 deletions(-) diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 4bc3b181f1c2..994dcd4b01fb 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -109,6 +109,7 @@ static DEFINE_SPINLOCK(lock); struct samsung_i2s_priv { struct platform_device *pdev; + struct platform_device *pdev_sec; /* Spinlock protecting access to the device's registers */ spinlock_t spinlock; @@ -1312,6 +1313,34 @@ static int i2s_register_clock_provider(struct platform_device *pdev) return ret; } +/* Create platform device for the secondary PCM */ +static int i2s_create_secondary_device(struct samsung_i2s_priv *priv) +{ + struct platform_device *pdev; + int ret; + + pdev = platform_device_register_simple("samsung-i2s-sec", -1, NULL, 0); + if (!pdev) + return -ENOMEM; + + ret = device_attach(&pdev->dev); + if (ret < 0) { + dev_info(&pdev->dev, "device_attach() failed\n"); + return ret; + } + + priv->pdev_sec = pdev; + + return 0; +} + +static void i2s_delete_secondary_device(struct samsung_i2s_priv *priv) +{ + if (priv->pdev_sec) { + platform_device_del(priv->pdev_sec); + priv->pdev_sec = NULL; + } +} static int samsung_i2s_probe(struct platform_device *pdev) { struct i2s_dai *pri_dai, *sec_dai = NULL; @@ -1329,13 +1358,15 @@ static int samsung_i2s_probe(struct platform_device *pdev) i2s_dai_data = (struct samsung_i2s_dai_data *) platform_get_device_id(pdev)->driver_data; + /* Nothing to do if it is the secondary device probing */ + if (!i2s_dai_data) + return 0; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; quirks = np ? i2s_dai_data->quirks : i2s_pdata->type.quirks; - quirks &= ~(QUIRK_SEC_DAI | QUIRK_SUPPORTS_IDMA); - num_dais = (quirks & QUIRK_SEC_DAI) ? 2 : 1; priv->pdev = pdev; @@ -1425,8 +1456,13 @@ static int samsung_i2s_probe(struct platform_device *pdev) sec_dai->pri_dai = pri_dai; pri_dai->sec_dai = sec_dai; - ret = samsung_asoc_dma_platform_register(&pdev->dev, - sec_dai->filter, "tx-sec", NULL, NULL); + ret = i2s_create_secondary_device(priv); + if (ret < 0) + goto err_disable_clk; + + ret = samsung_asoc_dma_platform_register(&priv->pdev_sec->dev, + sec_dai->filter, "tx-sec", NULL, + &pdev->dev); if (ret < 0) goto err_disable_clk; @@ -1461,6 +1497,7 @@ static int samsung_i2s_probe(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); err_disable_clk: clk_disable_unprepare(pri_dai->clk); + i2s_delete_secondary_device(priv); return ret; } @@ -1469,12 +1506,16 @@ static int samsung_i2s_remove(struct platform_device *pdev) struct samsung_i2s_priv *priv = dev_get_drvdata(&pdev->dev); struct i2s_dai *pri_dai = samsung_i2s_get_pri_dai(&pdev->dev); + if (!priv) + return 0; + pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); i2s_unregister_clock_provider(pdev); clk_disable_unprepare(pri_dai->clk); pm_runtime_put_noidle(&pdev->dev); + i2s_delete_secondary_device(priv); return 0; } @@ -1573,6 +1614,9 @@ static const struct platform_device_id samsung_i2s_driver_ids[] = { .name = "samsung-i2s", .driver_data = (kernel_ulong_t)&i2sv3_dai_type, }, + { + .name = "samsung-i2s-sec", + }, {}, }; MODULE_DEVICE_TABLE(platform, samsung_i2s_driver_ids);