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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-ae1ee4febb2sm787325a12.51.2025.02.18.00.37.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2025 00:38:06 -0800 (PST) From: James Calligeros Date: Tue, 18 Feb 2025 18:35:51 +1000 Subject: [PATCH v2 17/29] ASoC: tas2764: Crop SDOUT zero-out mask based on BCLK ratio Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250218-apple-codec-changes-v2-17-932760fd7e07@gmail.com> References: <20250218-apple-codec-changes-v2-0-932760fd7e07@gmail.com> In-Reply-To: <20250218-apple-codec-changes-v2-0-932760fd7e07@gmail.com> To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shenghao Ding , Kevin Lu , Baojun Xu , Dan Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shi Fu , Jean Delvare , Guenter Roeck Cc: Alyssa Rosenzweig , =?utf-8?q?Martin_Povi=C5=A1er?= , Hector Martin , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, asahi@lists.linux.dev, linux-hwmon@vger.kernel.org, Neal Gompa , James Calligeros X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2949; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=Or2McYkdE4gYAmum1CTJeeAbVQsNrcCt+ghAbMXAHKo=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDOlb3BJtmYJ3GsbebQ3zuHy06MvRpXsuHv52bd/799svi k5xKZOc0VHKwiDGxSArpsiyoUnIY7YR281+kcq9MHNYmUCGMHBxCsBE3vMx/A9u09ho+zg31Ls+ t/TEiekHilNu+rlsrxPrTdscKbKW9xQjwyHRzo+/3Z1+v5hnET01LNxue/ZWBfWF2m8+ivS7vjn fxQsA X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 From: Martin Povišer Reviewed-by: Neal Gompa Signed-off-by: Martin Povišer Signed-off-by: James Calligeros --- sound/soc/codecs/tas2764.c | 56 +++++++++++++++++-------- 1 file changed, 39 insertions(+), 17 deletions(-) diff --git a/sound/soc/codecs/tas2764.c b/sound/soc/codecs/tas2764.c index 670c59e57997a7988af837bd58da695ad773ae14..39dc466bfbca35d50a5a93507260d59d30affab6 100644 --- a/sound/soc/codecs/tas2764.c +++ b/sound/soc/codecs/tas2764.c @@ -376,6 +376,44 @@ static int tas2764_hw_params(struct snd_pcm_substream *substream, return tas2764_set_samplerate(tas2764, params_rate(params)); } +static int tas2764_write_sdout_zero_mask(struct tas2764_priv *tas2764, int bclk_ratio) +{ + struct snd_soc_component *component = tas2764->component; + int nsense_slots = bclk_ratio / 8; + u32 cropped_mask; + int i, ret; + + if (!tas2764->sdout_zero_mask) + return 0; + + cropped_mask = tas2764->sdout_zero_mask & GENMASK(nsense_slots - 1, 0); + + for (i = 0; i < 4; i++) { + ret = snd_soc_component_write(component, TAS2764_SDOUT_HIZ_1 + i, + (cropped_mask >> (i * 8)) & 0xff); + + if (ret < 0) + return ret; + } + + ret = snd_soc_component_update_bits(component, TAS2764_SDOUT_HIZ_9, + TAS2764_SDOUT_HIZ_9_FORCE_0_EN, + TAS2764_SDOUT_HIZ_9_FORCE_0_EN); + + if (ret < 0) + return ret; + + return 0; +} + +static int tas2764_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) +{ + struct snd_soc_component *component = dai->component; + struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); + + return tas2764_write_sdout_zero_mask(tas2764, ratio); +} + static int tas2764_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_component *component = dai->component; @@ -507,6 +545,7 @@ static int tas2764_set_dai_tdm_slot(struct snd_soc_dai *dai, static const struct snd_soc_dai_ops tas2764_dai_ops = { .mute_stream = tas2764_mute, .hw_params = tas2764_hw_params, + .set_bclk_ratio = tas2764_set_bclk_ratio, .set_fmt = tas2764_set_fmt, .set_tdm_slot = tas2764_set_dai_tdm_slot, .no_capture_mute = 1, @@ -714,23 +753,6 @@ static int tas2764_codec_probe(struct snd_soc_component *component) if (ret < 0) return ret; - if (tas2764->sdout_zero_mask) { - for (i = 0; i < 4; i++) { - ret = snd_soc_component_write(component, TAS2764_SDOUT_HIZ_1 + i, - (tas2764->sdout_zero_mask >> (i * 8)) & 0xff); - - if (ret < 0) - return ret; - } - - ret = snd_soc_component_update_bits(component, TAS2764_SDOUT_HIZ_9, - TAS2764_SDOUT_HIZ_9_FORCE_0_EN, - TAS2764_SDOUT_HIZ_9_FORCE_0_EN); - - if (ret < 0) - return ret; - } - if (tas2764->devid == DEVID_SN012776) { ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, TAS2764_PWR_CTRL_BOP_SRC,