diff --git a/sound/soc/codecs/idt821034.c b/sound/soc/codecs/idt821034.c index 084090ccef77..387f17b5f7b3 100644 --- a/sound/soc/codecs/idt821034.c +++ b/sound/soc/codecs/idt821034.c @@ -7,6 +7,7 @@ // Author: Herve Codina #include +#include #include #include #include @@ -413,12 +414,12 @@ static int idt821034_kctrl_gain_get(struct snd_kcontrol *kcontrol, ch = IDT821034_ID_GET_CHAN(mc->reg); - mutex_lock(&idt821034->mutex); - if (IDT821034_ID_IS_OUT(mc->reg)) - val = idt821034->amps.ch[ch].amp_out.gain; - else - val = idt821034->amps.ch[ch].amp_in.gain; - mutex_unlock(&idt821034->mutex); + scoped_guard(mutex, &idt821034->mutex) { + if (IDT821034_ID_IS_OUT(mc->reg)) + val = idt821034->amps.ch[ch].amp_out.gain; + else + val = idt821034->amps.ch[ch].amp_in.gain; + } ucontrol->value.integer.value[0] = val & mask; if (invert) @@ -456,7 +457,7 @@ static int idt821034_kctrl_gain_put(struct snd_kcontrol *kcontrol, ch = IDT821034_ID_GET_CHAN(mc->reg); - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); if (IDT821034_ID_IS_OUT(mc->reg)) { amp = &idt821034->amps.ch[ch].amp_out; @@ -466,22 +467,18 @@ static int idt821034_kctrl_gain_put(struct snd_kcontrol *kcontrol, gain_type = IDT821034_GAIN_TX; } - if (amp->gain == val) { - ret = 0; - goto end; - } + if (amp->gain == val) + return 0; if (!amp->is_muted) { ret = idt821034_set_gain_channel(idt821034, ch, gain_type, val); if (ret) - goto end; + return ret; } amp->gain = val; - ret = 1; /* The value changed */ -end: - mutex_unlock(&idt821034->mutex); - return ret; + + return 1; } static int idt821034_kctrl_mute_get(struct snd_kcontrol *kcontrol, @@ -495,11 +492,11 @@ static int idt821034_kctrl_mute_get(struct snd_kcontrol *kcontrol, ch = IDT821034_ID_GET_CHAN(id); - mutex_lock(&idt821034->mutex); - is_muted = IDT821034_ID_IS_OUT(id) ? - idt821034->amps.ch[ch].amp_out.is_muted : - idt821034->amps.ch[ch].amp_in.is_muted; - mutex_unlock(&idt821034->mutex); + scoped_guard(mutex, &idt821034->mutex) { + is_muted = IDT821034_ID_IS_OUT(id) ? + idt821034->amps.ch[ch].amp_out.is_muted : + idt821034->amps.ch[ch].amp_in.is_muted; + } ucontrol->value.integer.value[0] = !is_muted; @@ -521,7 +518,7 @@ static int idt821034_kctrl_mute_put(struct snd_kcontrol *kcontrol, ch = IDT821034_ID_GET_CHAN(id); is_mute = !ucontrol->value.integer.value[0]; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); if (IDT821034_ID_IS_OUT(id)) { amp = &idt821034->amps.ch[ch].amp_out; @@ -531,21 +528,17 @@ static int idt821034_kctrl_mute_put(struct snd_kcontrol *kcontrol, gain_type = IDT821034_GAIN_TX; } - if (amp->is_muted == is_mute) { - ret = 0; - goto end; - } + if (amp->is_muted == is_mute) + return 0; ret = idt821034_set_gain_channel(idt821034, ch, gain_type, is_mute ? 0 : amp->gain); if (ret) - goto end; + return ret; amp->is_muted = is_mute; - ret = 1; /* The value changed */ -end: - mutex_unlock(&idt821034->mutex); - return ret; + + return 1; } static const DECLARE_TLV_DB_LINEAR(idt821034_gain_in, -300, 1300); @@ -623,24 +616,20 @@ static int idt821034_power_event(struct snd_soc_dapm_widget *w, struct idt821034 *idt821034 = snd_soc_component_get_drvdata(component); unsigned int id = w->shift; u8 power, mask; - int ret; u8 ch; ch = IDT821034_ID_GET_CHAN(id); mask = IDT821034_ID_IS_OUT(id) ? IDT821034_CONF_PWRUP_RX : IDT821034_CONF_PWRUP_TX; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); power = idt821034_get_channel_power(idt821034, ch); if (SND_SOC_DAPM_EVENT_ON(event)) power |= mask; else power &= ~mask; - ret = idt821034_set_channel_power(idt821034, ch, power); - mutex_unlock(&idt821034->mutex); - - return ret; + return idt821034_set_channel_power(idt821034, ch, power); } static const struct snd_soc_dapm_widget idt821034_dapm_widgets[] = { @@ -717,9 +706,9 @@ static int idt821034_dai_set_tdm_slot(struct snd_soc_dai *dai, ch = 0; while (mask && ch < IDT821034_NB_CHANNEL) { if (mask & 0x1) { - mutex_lock(&idt821034->mutex); - ret = idt821034_set_channel_ts(idt821034, ch, IDT821034_CH_RX, slot); - mutex_unlock(&idt821034->mutex); + scoped_guard(mutex, &idt821034->mutex) + ret = idt821034_set_channel_ts(idt821034, ch, + IDT821034_CH_RX, slot); if (ret) { dev_err(dai->dev, "ch%u set tx tdm slot failed (%d)\n", ch, ret); @@ -742,9 +731,9 @@ static int idt821034_dai_set_tdm_slot(struct snd_soc_dai *dai, ch = 0; while (mask && ch < IDT821034_NB_CHANNEL) { if (mask & 0x1) { - mutex_lock(&idt821034->mutex); - ret = idt821034_set_channel_ts(idt821034, ch, IDT821034_CH_TX, slot); - mutex_unlock(&idt821034->mutex); + scoped_guard(mutex, &idt821034->mutex) + ret = idt821034_set_channel_ts(idt821034, ch, + IDT821034_CH_TX, slot); if (ret) { dev_err(dai->dev, "ch%u set rx tdm slot failed (%d)\n", ch, ret); @@ -769,9 +758,8 @@ static int idt821034_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct idt821034 *idt821034 = snd_soc_component_get_drvdata(dai->component); u8 conf; - int ret; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); conf = idt821034_get_codec_conf(idt821034); @@ -785,13 +773,10 @@ static int idt821034_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) default: dev_err(dai->dev, "Unsupported DAI format 0x%x\n", fmt & SND_SOC_DAIFMT_FORMAT_MASK); - ret = -EINVAL; - goto end; + return -EINVAL; } - ret = idt821034_set_codec_conf(idt821034, conf); -end: - mutex_unlock(&idt821034->mutex); - return ret; + + return idt821034_set_codec_conf(idt821034, conf); } static int idt821034_dai_hw_params(struct snd_pcm_substream *substream, @@ -800,9 +785,8 @@ static int idt821034_dai_hw_params(struct snd_pcm_substream *substream, { struct idt821034 *idt821034 = snd_soc_component_get_drvdata(dai->component); u8 conf; - int ret; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); conf = idt821034_get_codec_conf(idt821034); @@ -816,13 +800,10 @@ static int idt821034_dai_hw_params(struct snd_pcm_substream *substream, default: dev_err(dai->dev, "Unsupported PCM format 0x%x\n", params_format(params)); - ret = -EINVAL; - goto end; + return -EINVAL; } - ret = idt821034_set_codec_conf(idt821034, conf); -end: - mutex_unlock(&idt821034->mutex); - return ret; + + return idt821034_set_codec_conf(idt821034, conf); } static const unsigned int idt821034_sample_bits[] = {8}; @@ -897,11 +878,11 @@ static int idt821034_reset_audio(struct idt821034 *idt821034) int ret; u8 i; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); ret = idt821034_set_codec_conf(idt821034, 0); if (ret) - goto end; + return ret; for (i = 0; i < IDT821034_NB_CHANNEL; i++) { idt821034->amps.ch[i].amp_out.gain = IDT821034_GAIN_OUT_INIT_RAW; @@ -909,24 +890,21 @@ static int idt821034_reset_audio(struct idt821034 *idt821034) ret = idt821034_set_gain_channel(idt821034, i, IDT821034_GAIN_RX, idt821034->amps.ch[i].amp_out.gain); if (ret) - goto end; + return ret; idt821034->amps.ch[i].amp_in.gain = IDT821034_GAIN_IN_INIT_RAW; idt821034->amps.ch[i].amp_in.is_muted = false; ret = idt821034_set_gain_channel(idt821034, i, IDT821034_GAIN_TX, idt821034->amps.ch[i].amp_in.gain); if (ret) - goto end; + return ret; ret = idt821034_set_channel_power(idt821034, i, 0); if (ret) - goto end; + return ret; } - ret = 0; -end: - mutex_unlock(&idt821034->mutex); - return ret; + return 0; } static int idt821034_component_probe(struct snd_soc_component *component) @@ -965,7 +943,7 @@ static int idt821034_chip_gpio_set(struct gpio_chip *c, unsigned int offset, u8 slic_raw; int ret; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); slic_raw = idt821034_get_written_slic_raw(idt821034, ch); if (val) @@ -974,8 +952,6 @@ static int idt821034_chip_gpio_set(struct gpio_chip *c, unsigned int offset, slic_raw &= ~mask; ret = idt821034_write_slic_raw(idt821034, ch, slic_raw); - mutex_unlock(&idt821034->mutex); - if (ret) dev_err(&idt821034->spi->dev, "set gpio %d (%u, 0x%x) failed (%d)\n", offset, ch, mask, ret); @@ -991,9 +967,8 @@ static int idt821034_chip_gpio_get(struct gpio_chip *c, unsigned int offset) u8 slic_raw; int ret; - mutex_lock(&idt821034->mutex); - ret = idt821034_read_slic_raw(idt821034, ch, &slic_raw); - mutex_unlock(&idt821034->mutex); + scoped_guard(mutex, &idt821034->mutex) + ret = idt821034_read_slic_raw(idt821034, ch, &slic_raw); if (ret) { dev_err(&idt821034->spi->dev, "get gpio %d (%u, 0x%x) failed (%d)\n", offset, ch, mask, ret); @@ -1015,9 +990,8 @@ static int idt821034_chip_get_direction(struct gpio_chip *c, unsigned int offset struct idt821034 *idt821034 = gpiochip_get_data(c); u8 slic_dir; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); slic_dir = idt821034_get_slic_conf(idt821034, ch); - mutex_unlock(&idt821034->mutex); return slic_dir & mask ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT; } @@ -1034,7 +1008,7 @@ static int idt821034_chip_direction_input(struct gpio_chip *c, unsigned int offs if (mask & ~(IDT821034_SLIC_IO1_IN | IDT821034_SLIC_IO0_IN)) return -EPERM; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); slic_conf = idt821034_get_slic_conf(idt821034, ch) | mask; @@ -1044,7 +1018,6 @@ static int idt821034_chip_direction_input(struct gpio_chip *c, unsigned int offs offset, ch, mask, ret); } - mutex_unlock(&idt821034->mutex); return ret; } @@ -1060,7 +1033,7 @@ static int idt821034_chip_direction_output(struct gpio_chip *c, unsigned int off if (ret) return ret; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); slic_conf = idt821034_get_slic_conf(idt821034, ch) & ~mask; @@ -1070,7 +1043,6 @@ static int idt821034_chip_direction_output(struct gpio_chip *c, unsigned int off offset, ch, mask, ret); } - mutex_unlock(&idt821034->mutex); return ret; } @@ -1079,24 +1051,22 @@ static int idt821034_reset_gpio(struct idt821034 *idt821034) int ret; u8 i; - mutex_lock(&idt821034->mutex); + guard(mutex)(&idt821034->mutex); /* IO0 and IO1 as input for all channels and output IO set to 0 */ for (i = 0; i < IDT821034_NB_CHANNEL; i++) { ret = idt821034_set_slic_conf(idt821034, i, IDT821034_SLIC_IO1_IN | IDT821034_SLIC_IO0_IN); if (ret) - goto end; + return ret; ret = idt821034_write_slic_raw(idt821034, i, 0); if (ret) - goto end; + return ret; } - ret = 0; -end: - mutex_unlock(&idt821034->mutex); - return ret; + + return 0; } static int idt821034_gpio_init(struct idt821034 *idt821034)