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Sat, 17 Sep 2022 10:26:16 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Sat, 17 Sep 2022 10:26:14 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Sat, 17 Sep 2022 10:26:13 +0800 From: Chunxu Li To: , , , , , Subject: [PATCH] ASoC: SOF: mediatek: add pcm_hw_params callback for mt8186 Date: Sat, 17 Sep 2022 10:26:10 +0800 Message-ID: <20220917022610.594-1-chunxu.li@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Chunxu Li , linux-kernel@vger.kernel.org, project_global_chrome_upstream_group@mediatek.com, linux-mediatek@lists.infradead.org, yc.hung@mediatek.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, sound-open-firmware@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" add pcm_hw_params callback for mt8186 to support continue update dma host position Signed-off-by: Chunxu Li --- sound/soc/sof/mediatek/mt8186/mt8186.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index a1be5d74f40b..9ec89fc7fec0 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -460,6 +460,16 @@ static int mt8186_get_bar_index(struct snd_sof_dev *sdev, u32 type) return type; } +static int mt8186_pcm_hw_params(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_sof_platform_stream_params *platform_params) +{ + platform_params->cont_update_posn = 1; + + return 0; +} + static struct snd_soc_dai_driver mt8186_dai[] = { { .name = "SOF_DL1", @@ -526,6 +536,7 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { /* stream callbacks */ .pcm_open = sof_stream_pcm_open, + .pcm_hw_params = mt8186_pcm_hw_params, .pcm_close = sof_stream_pcm_close, /* firmware loading */