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Tue, 30 Jun 2020 02:16:23 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:845f:e35d:e30c:4b47]) by smtp.gmail.com with ESMTPSA id q13sm2142575pfk.8.2020.06.30.02.16.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jun 2020 02:16:22 -0700 (PDT) From: Yu-Hsuan Hsu To: linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: rockchip: add format and rate constraints on rk3399 Date: Tue, 30 Jun 2020 17:16:15 +0800 Message-Id: <20200630091615.4020059-1-yuhsuan@chromium.org> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Tzung-Bi Shih , Heiko Stuebner , Takashi Iwai , Liam Girdwood , linux-rockchip@lists.infradead.org, Mark Brown , Yu-Hsuan Hsu , linux-arm-kernel@lists.infradead.org, Cheng-Yi Chiang 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" S8 and S24 formats does not work on this machine driver so force to use S16_LE instead. In addition, add constraint to limit the max value of rate because the rate higher than 96000(172000, 192000) is not stable either. Signed-off-by: Yu-Hsuan Hsu --- sound/soc/rockchip/rk3399_gru_sound.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index f45e5aaa4b302..9539b0d024fed 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -219,19 +219,32 @@ static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, return 0; } +static int rockchip_sound_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; + return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, + 8000, 96000); +} + static const struct snd_soc_ops rockchip_sound_max98357a_ops = { + .startup = rockchip_sound_startup, .hw_params = rockchip_sound_max98357a_hw_params, }; static const struct snd_soc_ops rockchip_sound_rt5514_ops = { + .startup = rockchip_sound_startup, .hw_params = rockchip_sound_rt5514_hw_params, }; static const struct snd_soc_ops rockchip_sound_da7219_ops = { + .startup = rockchip_sound_startup, .hw_params = rockchip_sound_da7219_hw_params, }; static const struct snd_soc_ops rockchip_sound_dmic_ops = { + .startup = rockchip_sound_startup, .hw_params = rockchip_sound_dmic_hw_params, };