diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2023-03-01 13:38:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-05 23:37:42 +0000 |
| commit | 0ab4bd5bf277349262065e88eb2feaaabf53584c (patch) | |
| tree | 78c6f627af63151e807e165ee6db6df5e5ca7e3c /sound/soc/atmel | |
| parent | 28ce5698456ab53540093836c6fee15119cf1821 (diff) | |
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>
Diffstat (limited to 'sound/soc/atmel')
| -rw-r--r-- | sound/soc/atmel/mchp-spdiftx.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/sound/soc/atmel/mchp-spdiftx.c b/sound/soc/atmel/mchp-spdiftx.c index bf4252412f9f..e7241d819748 100644 --- a/sound/soc/atmel/mchp-spdiftx.c +++ b/sound/soc/atmel/mchp-spdiftx.c @@ -306,15 +306,10 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd, { struct mchp_spdiftx_dev *dev = snd_soc_dai_get_drvdata(dai); struct mchp_spdiftx_mixer_control *ctrl = &dev->control; - u32 mr; - int running; int ret; /* do not start/stop while channel status or user data is updated */ spin_lock(&ctrl->lock); - regmap_read(dev->regmap, SPDIFTX_MR, &mr); - running = !!(mr & SPDIFTX_MR_TXEN_ENABLE); - switch (cmd) { case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_START: @@ -323,10 +318,8 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd, dev->suspend_irq = 0; fallthrough; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (!running) { - mr &= ~SPDIFTX_MR_TXEN_MASK; - mr |= SPDIFTX_MR_TXEN_ENABLE; - } + ret = regmap_update_bits(dev->regmap, SPDIFTX_MR, SPDIFTX_MR_TXEN_MASK, + SPDIFTX_MR_TXEN_ENABLE); break; case SNDRV_PCM_TRIGGER_SUSPEND: regmap_read(dev->regmap, SPDIFTX_IMR, &dev->suspend_irq); @@ -336,17 +329,12 @@ static int mchp_spdiftx_trigger(struct snd_pcm_substream *substream, int cmd, SPDIFTX_IR_TXUDR | SPDIFTX_IR_TXOVR); fallthrough; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (running) { - mr &= ~SPDIFTX_MR_TXEN_MASK; - mr |= SPDIFTX_MR_TXEN_DISABLE; - } + ret = regmap_update_bits(dev->regmap, SPDIFTX_MR, SPDIFTX_MR_TXEN_MASK, + SPDIFTX_MR_TXEN_DISABLE); break; default: - spin_unlock(&ctrl->lock); - return -EINVAL; + ret = -EINVAL; } - - ret = regmap_write(dev->regmap, SPDIFTX_MR, mr); spin_unlock(&ctrl->lock); if (ret) dev_err(dev->dev, "unable to disable TX: %d\n", ret); |