diff options
| -rw-r--r-- | sound/soc/codecs/wm8903.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index 7acd563d9128..8a254ad332d7 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -212,6 +212,147 @@ static u16 wm8903_reg_defaults[] = { 0x0000, /* R172 - Analogue Output Bias 0 */ }; +#ifdef CONFIG_DEBUG_FS + +#include <linux/debugfs.h> +#include <linux/seq_file.h> + +#define SEQ_PR_WM8903(x) \ + do { \ + seq_printf(s, "0x%04X : 0x%08X \n", \ + (x), snd_soc_read(codec, (x))); \ + } while (0) + +static int dbg_wm8903_show(struct seq_file *s, void *unused) +{ + struct snd_soc_codec* codec = s->private; + + seq_printf(s, "WM8903 config Registers \n"); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_SW_RESET_AND_ID); + SEQ_PR_WM8903(WM8903_REVISION_NUMBER); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_BIAS_CONTROL_0); + SEQ_PR_WM8903(WM8903_VMID_CONTROL_0); + SEQ_PR_WM8903(WM8903_MIC_BIAS_CONTROL_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_DAC_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_ADC_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_0); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_1); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_2); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_3); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_4); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_5); + SEQ_PR_WM8903(WM8903_POWER_MANAGEMENT_6); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_CLOCK_RATES_0); + SEQ_PR_WM8903(WM8903_CLOCK_RATES_1); + SEQ_PR_WM8903(WM8903_CLOCK_RATES_2); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_AUDIO_INTERFACE_0); + SEQ_PR_WM8903(WM8903_AUDIO_INTERFACE_1); + SEQ_PR_WM8903(WM8903_AUDIO_INTERFACE_2); + SEQ_PR_WM8903(WM8903_AUDIO_INTERFACE_3); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_DAC_DIGITAL_VOLUME_LEFT); + SEQ_PR_WM8903(WM8903_DAC_DIGITAL_VOLUME_RIGHT); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_DAC_DIGITAL_0); + SEQ_PR_WM8903(WM8903_DAC_DIGITAL_1); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ADC_DIGITAL_VOLUME_LEFT); + SEQ_PR_WM8903(WM8903_ADC_DIGITAL_VOLUME_RIGHT); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ADC_DIGITAL_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_DIGITAL_MICROPHONE_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_DRC_0); + SEQ_PR_WM8903(WM8903_DRC_1); + SEQ_PR_WM8903(WM8903_DRC_2); + SEQ_PR_WM8903(WM8903_DRC_3); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_LEFT_INPUT_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_RIGHT_INPUT_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_LEFT_INPUT_1); + SEQ_PR_WM8903(WM8903_ANALOGUE_RIGHT_INPUT_1); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_LEFT_MIX_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_RIGHT_MIX_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_SPK_MIX_LEFT_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_SPK_MIX_LEFT_1); + SEQ_PR_WM8903(WM8903_ANALOGUE_SPK_MIX_RIGHT_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_SPK_MIX_RIGHT_1); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT1_LEFT); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT1_RIGHT); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT2_LEFT); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT2_RIGHT); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT3_LEFT); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUT3_RIGHT); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_DC_SERVO_0); + SEQ_PR_WM8903(WM8903_DC_SERVO_2); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_HP_0); + SEQ_PR_WM8903(WM8903_ANALOGUE_LINEOUT_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_CHARGE_PUMP_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_CLASS_W_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_WRITE_SEQUENCER_0); + SEQ_PR_WM8903(WM8903_WRITE_SEQUENCER_1); + SEQ_PR_WM8903(WM8903_WRITE_SEQUENCER_2); + SEQ_PR_WM8903(WM8903_WRITE_SEQUENCER_3); + SEQ_PR_WM8903(WM8903_WRITE_SEQUENCER_4); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_CONTROL_INTERFACE); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_GPIO_CONTROL_1); + SEQ_PR_WM8903(WM8903_GPIO_CONTROL_2); + SEQ_PR_WM8903(WM8903_GPIO_CONTROL_3); + SEQ_PR_WM8903(WM8903_GPIO_CONTROL_4); + SEQ_PR_WM8903(WM8903_GPIO_CONTROL_5); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_ANALOGUE_OUTPUT_BIAS_0); + seq_printf(s, "------------------------\n"); + SEQ_PR_WM8903(WM8903_REGISTER_COUNT); + SEQ_PR_WM8903(WM8903_MAX_REGISTER); + + return 0; +} + +static int dbg_wm8903_open(struct inode *inode, struct file *file) +{ + return single_open(file, dbg_wm8903_show, inode->i_private); +} + +static const struct file_operations debug_fops = { + .open = dbg_wm8903_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void wm8903_debuginit(struct snd_soc_codec* codec) +{ + (void) debugfs_create_file("wm8903", S_IRUGO, + NULL, codec, &debug_fops); +} + +#else +static void __init wm8903_debuginit(struct snd_soc_codec* codec) +{ + return; +} +#endif + struct wm8903_priv { struct snd_soc_codec codec; u16 reg_cache[ARRAY_SIZE(wm8903_reg_defaults)]; @@ -1790,6 +1931,8 @@ static __devinit int wm8903_i2c_probe(struct i2c_client *i2c, wm8903_dai.dev = &i2c->dev; wm8903_codec = codec; + wm8903_debuginit(codec); + ret = snd_soc_register_codec(codec); if (ret != 0) { dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); |