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author | Olof Johansson <olof@lixom.net> | 2012-10-01 21:23:11 (GMT) |
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committer | Olof Johansson <olof@lixom.net> | 2012-10-01 21:23:11 (GMT) |
commit | 7e95c548818d2b311090848083277fb907cfb56d (patch) | |
tree | 86fecf07ae1f01ba8bac5969974a7915b738baee /sound/soc/codecs/ab8500-codec.c | |
parent | 6d55d5968a8622f3ea20ec40737aea1cfba6438c (diff) | |
parent | 99261fbad0a16f105b262d7525801697588ba526 (diff) | |
download | linux-7e95c548818d2b311090848083277fb907cfb56d.tar.xz |
Merge branch 'next/dt' into HEAD
Conflicts:
Documentation/devicetree/bindings/usb/platform-uhci.txt
arch/arm/mach-vt8500/bv07.c
arch/arm/mach-vt8500/devices-vt8500.c
arch/arm/mach-vt8500/devices-wm8505.c
arch/arm/mach-vt8500/devices.c
arch/arm/mach-vt8500/devices.h
arch/arm/mach-vt8500/wm8505_7in.c
Diffstat (limited to 'sound/soc/codecs/ab8500-codec.c')
-rw-r--r-- | sound/soc/codecs/ab8500-codec.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index 23b4018..07abd09 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -34,6 +34,7 @@ #include <linux/mfd/abx500/ab8500-sysctrl.h> #include <linux/mfd/abx500/ab8500-codec.h> #include <linux/regulator/consumer.h> +#include <linux/of.h> #include <sound/core.h> #include <sound/pcm.h> @@ -2394,9 +2395,65 @@ struct snd_soc_dai_driver ab8500_codec_dai[] = { } }; +static void ab8500_codec_of_probe(struct device *dev, struct device_node *np, + struct ab8500_codec_platform_data *codec) +{ + u32 value; + + if (of_get_property(np, "stericsson,amic1-type-single-ended", NULL)) + codec->amics.mic1_type = AMIC_TYPE_SINGLE_ENDED; + else + codec->amics.mic1_type = AMIC_TYPE_DIFFERENTIAL; + + if (of_get_property(np, "stericsson,amic2-type-single-ended", NULL)) + codec->amics.mic2_type = AMIC_TYPE_SINGLE_ENDED; + else + codec->amics.mic2_type = AMIC_TYPE_DIFFERENTIAL; + + /* Has a non-standard Vamic been requested? */ + if (of_get_property(np, "stericsson,amic1a-bias-vamic2", NULL)) + codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC2; + else + codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC1; + + if (of_get_property(np, "stericsson,amic1b-bias-vamic2", NULL)) + codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC2; + else + codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC1; + + if (of_get_property(np, "stericsson,amic2-bias-vamic1", NULL)) + codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC1; + else + codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC2; + + if (!of_property_read_u32(np, "stericsson,earpeice-cmv", &value)) { + switch (value) { + case 950 : + codec->ear_cmv = EAR_CMV_0_95V; + break; + case 1100 : + codec->ear_cmv = EAR_CMV_1_10V; + break; + case 1270 : + codec->ear_cmv = EAR_CMV_1_27V; + break; + case 1580 : + codec->ear_cmv = EAR_CMV_1_58V; + break; + default : + codec->ear_cmv = EAR_CMV_UNKNOWN; + dev_err(dev, "Unsuitable earpiece voltage found in DT\n"); + } + } else { + dev_warn(dev, "No earpiece voltage found in DT - using default\n"); + codec->ear_cmv = EAR_CMV_0_95V; + } +} + static int ab8500_codec_probe(struct snd_soc_codec *codec) { struct device *dev = codec->dev; + struct device_node *np = dev->of_node; struct ab8500_codec_drvdata *drvdata = dev_get_drvdata(dev); struct ab8500_platform_data *pdata; struct filter_control *fc; @@ -2410,6 +2467,30 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec) /* Inform SoC Core that we have our own I/O arrangements. */ codec->control_data = (void *)true; + if (np) { + if (!pdata) + pdata = devm_kzalloc(dev, + sizeof(struct ab8500_platform_data), + GFP_KERNEL); + + if (pdata && !pdata->codec) + pdata->codec + = devm_kzalloc(dev, + sizeof(struct ab8500_codec_platform_data), + GFP_KERNEL); + + if (!(pdata && pdata->codec)) + return -ENOMEM; + + ab8500_codec_of_probe(dev, np, pdata->codec); + + } else { + if (!(pdata && pdata->codec)) { + dev_err(dev, "No codec platform data or DT found\n"); + return -EINVAL; + } + } + status = ab8500_audio_setup_mics(codec, &pdata->codec->amics); if (status < 0) { pr_err("%s: Failed to setup mics (%d)!\n", __func__, status); |