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ASoC: mchp-spdiftx: use regmap_update_bits()
Use regmap_update_bits() instead of regmap_read(), running variable, regmap_write(). There is no need for extra variables and checks around it as regmap_update_bits() already does this. With this code becomes simpler. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Link: https://lore.kernel.org/r/20230301113807.24036-3-claudiu.beznea@microchip.com Signed-off-by: Mark Brown <broonie@kernel.org>
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0ab4bd5bf2
1 changed files with 5 additions and 17 deletions
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@ -306,15 +306,10 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd,
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{
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struct mchp_spdiftx_dev *dev = snd_soc_dai_get_drvdata(dai);
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struct mchp_spdiftx_mixer_control *ctrl = &dev->control;
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u32 mr;
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int running;
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int ret;
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/* do not start/stop while channel status or user data is updated */
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spin_lock(&ctrl->lock);
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regmap_read(dev->regmap, SPDIFTX_MR, &mr);
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running = !!(mr & SPDIFTX_MR_TXEN_ENABLE);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_RESUME:
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case SNDRV_PCM_TRIGGER_START:
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@ -323,10 +318,8 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd,
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dev->suspend_irq = 0;
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fallthrough;
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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if (!running) {
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mr &= ~SPDIFTX_MR_TXEN_MASK;
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mr |= SPDIFTX_MR_TXEN_ENABLE;
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}
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ret = regmap_update_bits(dev->regmap, SPDIFTX_MR, SPDIFTX_MR_TXEN_MASK,
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SPDIFTX_MR_TXEN_ENABLE);
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break;
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case SNDRV_PCM_TRIGGER_SUSPEND:
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regmap_read(dev->regmap, SPDIFTX_IMR, &dev->suspend_irq);
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@ -336,17 +329,12 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd,
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SPDIFTX_IR_TXUDR | SPDIFTX_IR_TXOVR);
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fallthrough;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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if (running) {
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mr &= ~SPDIFTX_MR_TXEN_MASK;
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mr |= SPDIFTX_MR_TXEN_DISABLE;
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}
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ret = regmap_update_bits(dev->regmap, SPDIFTX_MR, SPDIFTX_MR_TXEN_MASK,
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SPDIFTX_MR_TXEN_DISABLE);
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break;
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default:
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spin_unlock(&ctrl->lock);
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return -EINVAL;
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ret = -EINVAL;
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}
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ret = regmap_write(dev->regmap, SPDIFTX_MR, mr);
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spin_unlock(&ctrl->lock);
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if (ret)
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dev_err(dev->dev, "unable to disable TX: %d\n", ret);
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