diff options
Diffstat (limited to 'sound/soc/codecs/cs42l51.c')
| -rw-r--r-- | sound/soc/codecs/cs42l51.c | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c index 1ee66361..a8bf588 100644 --- a/sound/soc/codecs/cs42l51.c +++ b/sound/soc/codecs/cs42l51.c @@ -22,7 +22,6 @@ */ #include <linux/module.h> -#include <linux/platform_device.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/soc.h> @@ -175,21 +174,18 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = { static int cs42l51_pdn_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - unsigned long value; - - value = snd_soc_read(w->codec, CS42L51_POWER_CTL1); - value &= ~CS42L51_POWER_CTL1_PDN; - switch (event) { case SND_SOC_DAPM_PRE_PMD: - value |= CS42L51_POWER_CTL1_PDN; + snd_soc_update_bits(w->codec, CS42L51_POWER_CTL1, + CS42L51_POWER_CTL1_PDN, + CS42L51_POWER_CTL1_PDN); break; default: case SND_SOC_DAPM_POST_PMD: + snd_soc_update_bits(w->codec, CS42L51_POWER_CTL1, + CS42L51_POWER_CTL1_PDN, 0); break; } - snd_soc_update_bits(w->codec, CS42L51_POWER_CTL1, - CS42L51_POWER_CTL1_PDN, value); return 0; } @@ -486,7 +482,7 @@ static int cs42l51_dai_mute(struct snd_soc_dai *dai, int mute) return snd_soc_write(codec, CS42L51_DAC_OUT_CTL, reg); } -static struct snd_soc_dai_ops cs42l51_dai_ops = { +static const struct snd_soc_dai_ops cs42l51_dai_ops = { .hw_params = cs42l51_hw_params, .set_sysclk = cs42l51_set_dai_sysclk, .set_fmt = cs42l51_set_dai_fmt, @@ -515,7 +511,6 @@ static struct snd_soc_dai_driver cs42l51_dai = { static int cs42l51_probe(struct snd_soc_codec *codec) { struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec); - struct snd_soc_dapm_context *dapm = &codec->dapm; int ret, reg; ret = cs42l51_fill_cache(codec); @@ -543,20 +538,20 @@ static int cs42l51_probe(struct snd_soc_codec *codec) if (ret < 0) return ret; - snd_soc_add_controls(codec, cs42l51_snd_controls, - ARRAY_SIZE(cs42l51_snd_controls)); - snd_soc_dapm_new_controls(dapm, cs42l51_dapm_widgets, - ARRAY_SIZE(cs42l51_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, cs42l51_routes, - ARRAY_SIZE(cs42l51_routes)); - return 0; } static struct snd_soc_codec_driver soc_codec_device_cs42l51 = { - .probe = cs42l51_probe, + .probe = cs42l51_probe, .reg_cache_size = CS42L51_NUMREGS + 1, .reg_word_size = sizeof(u8), + + .controls = cs42l51_snd_controls, + .num_controls = ARRAY_SIZE(cs42l51_snd_controls), + .dapm_widgets = cs42l51_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs42l51_dapm_widgets), + .dapm_routes = cs42l51_routes, + .num_dapm_routes = ARRAY_SIZE(cs42l51_routes), }; static int cs42l51_i2c_probe(struct i2c_client *i2c_client, @@ -582,7 +577,8 @@ static int cs42l51_i2c_probe(struct i2c_client *i2c_client, dev_info(&i2c_client->dev, "found device cs42l51 rev %d\n", ret & 7); - cs42l51 = kzalloc(sizeof(struct cs42l51_private), GFP_KERNEL); + cs42l51 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l51_private), + GFP_KERNEL); if (!cs42l51) { dev_err(&i2c_client->dev, "could not allocate codec\n"); return -ENOMEM; @@ -593,18 +589,13 @@ static int cs42l51_i2c_probe(struct i2c_client *i2c_client, ret = snd_soc_register_codec(&i2c_client->dev, &soc_codec_device_cs42l51, &cs42l51_dai, 1); - if (ret < 0) - kfree(cs42l51); error: return ret; } static int cs42l51_i2c_remove(struct i2c_client *client) { - struct cs42l51_private *cs42l51 = i2c_get_clientdata(client); - snd_soc_unregister_codec(&client->dev); - kfree(cs42l51); return 0; } |
