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Received: by exim-smtp-84f7fbf7d8-c7c8k with esmtpa (envelope-from ) id 1sMU7x-000000007Ow-3KSw; Wed, 26 Jun 2024 18:00:06 +0300 From: Maxim Kochetkov To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , John Hsu Cc: Maxim Kochetkov , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 1/2] ASoC: codecs: nau8824: Add master clock handling Date: Wed, 26 Jun 2024 17:59:29 +0300 Message-ID: <20240626145931.25122-2-fido_max@inbox.ru> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240626145931.25122-1-fido_max@inbox.ru> References: <20240626145931.25122-1-fido_max@inbox.ru> MIME-Version: 1.0 Authentication-Results: exim-smtp-84f7fbf7d8-c7c8k; auth=pass smtp.auth=fido_max@inbox.ru smtp.mailfrom=fido_max@inbox.ru X-Mailru-Src: smtp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eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojLaF05p8kWooYFJycFIqV8g== X-Mailru-Sender: 689FA8AB762F7393C6D0B12EA33CAA9B59935C79194F79410534B403F2BB02FEDE1AABB7E7EBF47190DE4A6105A3658D481B2AED7BCCC0A49AE3A01A4DD0D55C6C99E19F044156F45FEEDEB644C299C0ED14614B50AE0675 X-Mras: Ok Message-ID-Hash: ICOFBOZBM27G2LJR2RLFR7BZ6OPOJNZJ X-Message-ID-Hash: ICOFBOZBM27G2LJR2RLFR7BZ6OPOJNZJ X-MailFrom: fido_max@inbox.ru X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Use master clock "mclk" if provided through device tree. Signed-off-by: Maxim Kochetkov --- sound/soc/codecs/nau8824.c | 21 +++++++++++++++++++-- sound/soc/codecs/nau8824.h | 1 + 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c index f92b95b21cae..c66b0a5a7448 100644 --- a/sound/soc/codecs/nau8824.c +++ b/sound/soc/codecs/nau8824.c @@ -520,8 +520,15 @@ static int system_clock_control(struct snd_soc_dapm_widget *w, } else { nau8824_config_sysclk(nau8824, NAU8824_CLK_DIS, 0); } + + if (!IS_ERR(nau8824->mclk)) + clk_disable_unprepare(nau8824->mclk); } else { dev_dbg(nau8824->dev, "system clock control : POWER ON\n"); + + if (!IS_ERR(nau8824->mclk)) + clk_prepare_enable(nau8824->mclk); + /* Check the clock source setting is proper or not * no matter the source is from FLL or MCLK. */ @@ -563,16 +570,22 @@ static int dmic_clock_control(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component); int src; + unsigned int freq; + + if (!IS_ERR(nau8824->mclk)) + freq = clk_get_rate(nau8824->mclk); + else + freq = nau8824->fs * 256; /* The DMIC clock is gotten from system clock (256fs) divided by * DMIC_SRC (1, 2, 4, 8, 16, 32). The clock has to be equal or * less than 3.072 MHz. */ for (src = 0; src < 5; src++) { - if ((0x1 << (8 - src)) * nau8824->fs <= DMIC_CLK) + if (freq / (0x1 << src) <= DMIC_CLK) break; } - dev_dbg(nau8824->dev, "dmic src %d for mclk %d\n", src, nau8824->fs * 256); + dev_dbg(nau8824->dev, "dmic src %d for mclk %d\n", src, freq); regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER, NAU8824_CLK_DMIC_SRC_MASK, (src << NAU8824_CLK_DMIC_SRC_SFT)); @@ -1510,6 +1523,10 @@ static int nau8824_component_probe(struct snd_soc_component *component) nau8824->dapm = dapm; + nau8824->mclk = devm_clk_get(component->dev, "mclk"); + if (PTR_ERR(nau8824->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + return 0; } diff --git a/sound/soc/codecs/nau8824.h b/sound/soc/codecs/nau8824.h index 5fcfc43dfc85..d8e19515133c 100644 --- a/sound/soc/codecs/nau8824.h +++ b/sound/soc/codecs/nau8824.h @@ -434,6 +434,7 @@ struct nau8824 { struct snd_soc_jack *jack; struct work_struct jdet_work; struct semaphore jd_sem; + struct clk *mclk; int fs; int irq; int resume_lock;