Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932297AbdHVH64 (ORCPT ); Tue, 22 Aug 2017 03:58:56 -0400 Received: from regular1.263xmail.com ([211.150.99.133]:43981 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932199AbdHVH6x (ORCPT ); Tue, 22 Aug 2017 03:58:53 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jeffy Chen To: linux-kernel@vger.kernel.org, dgreid@chromium.org, heiko@sntech.de Cc: briannorris@chromium.org, mengdong.lin@linux.intel.com, mka@chromium.org, lars@metafoo.de, dianders@chromium.org, Jeffy Chen , Jaroslav Kysela , alsa-devel@alsa-project.org, linux-rockchip@lists.infradead.org, Mark Brown , Takashi Iwai , Liam Girdwood , linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 8/9] ASoC: rockchip: Add support for DMIC codec Date: Tue, 22 Aug 2017 15:57:27 +0800 Message-Id: <20170822075729.8438-9-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170822075729.8438-1-jeffy.chen@rock-chips.com> References: <20170822075729.8438-1-jeffy.chen@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3060 Lines: 101 Add support for optional dmic codec. Signed-off-by: Jeffy Chen --- Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None sound/soc/rockchip/Kconfig | 1 + sound/soc/rockchip/rk3399_gru_sound.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index 8f0d0d8d34e6..b0825370d262 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -69,6 +69,7 @@ config SND_SOC_RK3399_GRU_SOUND select SND_SOC_DA7219 select SND_SOC_RT5514_SPI select SND_SOC_HDMI_CODEC + select SND_SOC_DMIC help Say Y or M here if you want to add support multiple codecs for SoC audio on Rockchip RK3399 GRU boards. diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 8ffae1934b94..0be3e5c1386f 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -262,6 +262,25 @@ static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream, return 0; } +static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + unsigned int mclk; + int ret; + + mclk = params_rate(params) * SOUND_FS; + + ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0); + if (ret) { + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", + __func__, mclk, ret); + return ret; + } + + return 0; +} + static const struct snd_soc_ops rockchip_sound_max98357a_ops = { .hw_params = rockchip_sound_max98357a_hw_params, }; @@ -278,6 +297,10 @@ static struct snd_soc_ops rockchip_sound_cdndp_ops = { .hw_params = rockchip_sound_cdndp_hw_params, }; +static struct snd_soc_ops rockchip_sound_dmic_ops = { + .hw_params = rockchip_sound_dmic_hw_params, +}; + static struct snd_soc_card rockchip_sound_card = { .name = "rk3399-gru-sound", .owner = THIS_MODULE, @@ -292,6 +315,7 @@ static struct snd_soc_card rockchip_sound_card = { enum { DAILINK_CDNDP, DAILINK_DA7219, + DAILINK_DMIC, DAILINK_MAX98357A, DAILINK_RT5514, DAILINK_RT5514_DSP, @@ -300,6 +324,7 @@ enum { static const char * const dailink_compat[] = { [DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp", [DAILINK_DA7219] = "dlg,da7219", + [DAILINK_DMIC] = "dmic-codec", [DAILINK_MAX98357A] = "maxim,max98357a", [DAILINK_RT5514] = "realtek,rt5514-i2c", [DAILINK_RT5514_DSP] = "realtek,rt5514-spi", @@ -324,6 +349,14 @@ static const struct snd_soc_dai_link rockchip_dais[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }, + [DAILINK_DMIC] = { + .name = "DMIC", + .stream_name = "DMIC PCM", + .codec_dai_name = "dmic-hifi", + .ops = &rockchip_sound_dmic_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, [DAILINK_MAX98357A] = { .name = "MAX98357A", .stream_name = "MAX98357A PCM", -- 2.11.0