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TAS5713: return error if initialisation fails #765

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Merged
merged 1 commit into from
Jan 23, 2015
Merged

TAS5713: return error if initialisation fails #765

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13 changes: 10 additions & 3 deletions sound/soc/codecs/tas5713.c
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Original file line number Diff line number Diff line change
Expand Up @@ -182,41 +182,48 @@ static int tas5713_probe(struct snd_soc_codec *codec)

// Reset error
ret = snd_soc_write(codec, TAS5713_ERROR_STATUS, 0x00);
if (ret < 0) return ret;

// Trim oscillator
ret = snd_soc_write(codec, TAS5713_OSC_TRIM, 0x00);
ret = snd_soc_write(codec, TAS5713_OSC_TRIM, 0x00);
if (ret < 0) return ret;
msleep(1000);

// Reset error
ret = snd_soc_write(codec, TAS5713_ERROR_STATUS, 0x00);
if (ret < 0) return ret;

// Clock mode: 44/48kHz, MCLK=64xfs
ret = snd_soc_write(codec, TAS5713_CLOCK_CTRL, 0x60);
if (ret < 0) return ret;

// I2S 24bit
ret = snd_soc_write(codec, TAS5713_SERIAL_DATA_INTERFACE, 0x05);
if (ret < 0) return ret;

// Unmute
ret = snd_soc_write(codec, TAS5713_SYSTEM_CTRL2, 0x00);
if (ret < 0) return ret;
ret = snd_soc_write(codec, TAS5713_SOFT_MUTE, 0x00);
if (ret < 0) return ret;

// Set volume to 0db
ret = snd_soc_write(codec, TAS5713_VOL_MASTER, 0x00);
if (ret < 0) return ret;

// Now start programming the default initialization sequence
for (i = 0; i < ARRAY_SIZE(tas5713_init_sequence); ++i) {
ret = i2c_master_send(i2c,
tas5713_init_sequence[i].data,
tas5713_init_sequence[i].size);

if (ret < 0) {
printk(KERN_INFO "TAS5713 CODEC PROBE: InitSeq returns: %d\n", ret);
}
}

// Unmute
ret = snd_soc_write(codec, TAS5713_SYSTEM_CTRL2, 0x00);

if (ret < 0) return ret;

return 0;
}
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