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Tue, 04 Mar 2025 02:57:57 -0800 (PST) From: srinivas.kandagatla@linaro.org To: broonie@kernel.org Cc: perex@perex.cz, tiwai@suse.com, krzysztof.kozlowski@linaro.org, linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dmitry.baryshkov@linaro.org, johan+linaro@kernel.org, Srinivas Kandagatla Subject: [PATCH v3 6/6] ASoC: qdsp6: q6apm-dai: fix playback dsp pipeline underruns Date: Tue, 4 Mar 2025 10:57:23 +0000 Message-Id: <20250304105723.10579-7-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250304105723.10579-1-srinivas.kandagatla@linaro.org> References: <20250304105723.10579-1-srinivas.kandagatla@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Srinivas Kandagatla QDSP has latency of 10 plus milli seconds, Which is difficult to acheive with just 2 periods and fragment size starting at 128. Increase the number of fragments to 8 so that it fulfils the dsp requirements Without this patch, DSP playback pipeline seems to hit few underruns. Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support") Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/qdsp6/q6apm-dai.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-= dai.c index aca0a98d58a5..aa6bd359300b 100644 --- a/sound/soc/qcom/qdsp6/q6apm-dai.c +++ b/sound/soc/qcom/qdsp6/q6apm-dai.c @@ -18,8 +18,8 @@ =20 #define DRV_NAME "q6apm-dai" =20 -#define PLAYBACK_MIN_NUM_PERIODS 2 -#define PLAYBACK_MAX_NUM_PERIODS 8 +#define PLAYBACK_MIN_NUM_PERIODS 8 +#define PLAYBACK_MAX_NUM_PERIODS 16 #define PLAYBACK_MAX_PERIOD_SIZE 65536 #define PLAYBACK_MIN_PERIOD_SIZE 128 #define CAPTURE_MIN_NUM_PERIODS 2 --=20 2.39.5