diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-11-23 12:45:05 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2010-11-23 12:45:05 +0100 |
commit | 2ab46c9390e74368a38ddb5aa525124518df8b69 (patch) | |
tree | 631e686fb11709add69f07b4fd1e5aaa10f232de /sound/soc/codecs/tlv320aic3x.c | |
parent | 9e18e1869f5ebac69f0d881fe97a198ebc0834db (diff) | |
parent | 5b3b0fa8fb0db9645b56361cdc9a9d0ddbc35e4d (diff) | |
download | linux-2ab46c9390e74368a38ddb5aa525124518df8b69.tar.bz2 |
Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into topic/asoc
Conflicts:
sound/soc/codecs/tpa6130a2.c
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index df726a5066e8..11a0a3d17055 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -61,6 +61,8 @@ static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = { "DRVDD", /* ADC Analog and Output Driver Voltage */ }; +static LIST_HEAD(reset_list); + struct aic3x_priv; struct aic3x_disable_nb { @@ -77,6 +79,7 @@ struct aic3x_priv { struct aic3x_setup_data *setup; void *control_data; unsigned int sysclk; + struct list_head list; int master; int gpio_reset; int power; @@ -1077,7 +1080,7 @@ static int aic3x_regulator_event(struct notifier_block *nb, * Put codec to reset and require cache sync as at least one * of the supplies was disabled */ - if (aic3x->gpio_reset >= 0) + if (gpio_is_valid(aic3x->gpio_reset)) gpio_set_value(aic3x->gpio_reset, 0); aic3x->codec->cache_sync = 1; } @@ -1104,7 +1107,7 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power) if (!codec->cache_sync) goto out; - if (aic3x->gpio_reset >= 0) { + if (gpio_is_valid(aic3x->gpio_reset)) { udelay(1); gpio_set_value(aic3x->gpio_reset, 1); } @@ -1346,11 +1349,25 @@ static int aic3x_init(struct snd_soc_codec *codec) return 0; } +static bool aic3x_is_shared_reset(struct aic3x_priv *aic3x) +{ + struct aic3x_priv *a; + + list_for_each_entry(a, &reset_list, list) { + if (gpio_is_valid(aic3x->gpio_reset) && + aic3x->gpio_reset == a->gpio_reset) + return true; + } + + return false; +} + static int aic3x_probe(struct snd_soc_codec *codec) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int ret, i; + INIT_LIST_HEAD(&aic3x->list); codec->control_data = aic3x->control_data; aic3x->codec = codec; codec->dapm.idle_bias_off = 1; @@ -1361,7 +1378,8 @@ static int aic3x_probe(struct snd_soc_codec *codec) return ret; } - if (aic3x->gpio_reset >= 0) { + if (gpio_is_valid(aic3x->gpio_reset) && + !aic3x_is_shared_reset(aic3x)) { ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset"); if (ret != 0) goto err_gpio; @@ -1407,6 +1425,7 @@ static int aic3x_probe(struct snd_soc_codec *codec) snd_soc_add_controls(codec, &aic3x_classd_amp_gain_ctrl, 1); aic3x_add_widgets(codec); + list_add(&aic3x->list, &reset_list); return 0; @@ -1416,7 +1435,8 @@ err_notif: &aic3x->disable_nb[i].nb); regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); err_get: - if (aic3x->gpio_reset >= 0) + if (gpio_is_valid(aic3x->gpio_reset) && + !aic3x_is_shared_reset(aic3x)) gpio_free(aic3x->gpio_reset); err_gpio: return ret; @@ -1428,7 +1448,9 @@ static int aic3x_remove(struct snd_soc_codec *codec) int i; aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); - if (aic3x->gpio_reset >= 0) { + list_del(&aic3x->list); + if (gpio_is_valid(aic3x->gpio_reset) && + !aic3x_is_shared_reset(aic3x)) { gpio_set_value(aic3x->gpio_reset, 0); gpio_free(aic3x->gpio_reset); } |