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Fri, 18 Sep 2020 14:06:28 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08IJ6SI7025072; Fri, 18 Sep 2020 14:06:28 -0500 From: Dan Murphy To: , , , Subject: [PATCH 9/9] ASoC: tas2770: Refactor sample rate function Date: Fri, 18 Sep 2020 14:05:48 -0500 Message-ID: <20200918190548.12598-9-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200918190548.12598-1-dmurphy@ti.com> References: <20200918190548.12598-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Murphy 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" Refactor the tas2770_set_samplerate to simplify the code and access the I2C bus only once per rate request. The ramp rate and sample rate bits are contained in the same register so a single call to the snd_soc_update_bits function is all that is needed Signed-off-by: Dan Murphy --- sound/soc/codecs/tas2770.c | 75 ++++++++++---------------------------- 1 file changed, 19 insertions(+), 56 deletions(-) diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c index b17cf0a7f785..386aaa11fa08 100644 --- a/sound/soc/codecs/tas2770.c +++ b/sound/soc/codecs/tas2770.c @@ -252,80 +252,43 @@ static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth) static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate) { - int ret; struct snd_soc_component *component = tas2770->component; + int ramp_rate_val; + int ret; switch (samplerate) { case 48000: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_44_1_48KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_44_1_48KHZ; break; case 44100: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_44_1_48KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_44_1_48KHZ; break; case 96000: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_88_2_96KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_88_2_96KHZ; break; case 88200: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_88_2_96KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_88_2_96KHZ; break; case 19200: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_176_4_192KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_176_4_192KHZ; break; case 17640: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_176_4_192KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_176_4_192KHZ; break; default: - ret = -EINVAL; + return -EINVAL; } + ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, + TAS2770_TDM_CFG_REG0_SMP_MASK | + TAS2770_TDM_CFG_REG0_31_MASK, + ramp_rate_val); if (ret < 0) return ret;