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Merge "asoc: Add sysfs node for spdif pre-emphase status"

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qctecmdr 2019-09-04 03:48:03 -07:00 • committed by Gerrit - the friendly Code Review server
commit 43e90d44b6
1 changed files with 49 additions and 4 deletions
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53
asoc/msm-dai-q6-v2.c
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@ -35,6 +35,9 @@
#define CHANNEL_STATUS_SIZE 24
#define CHANNEL_STATUS_MASK_INIT 0x0
#define CHANNEL_STATUS_MASK 0x4
#define PREEMPH_MASK 0x38
#define PREEMPH_SHIFT 3
#define GET_PREEMPH(b) ((b & PREEMPH_MASK) >> PREEMPH_SHIFT)
#define AFE_API_VERSION_CLOCK_SET 1
#define MSM_DAI_SYSFS_ENTRY_MAX_LEN 64
@ -1739,22 +1742,41 @@ static void msm_dai_q6_spdif_process_event(uint32_t opcode, uint32_t token,
{
struct msm_dai_q6_spdif_event_msg *evt;
struct msm_dai_q6_spdif_dai_data *dai_data;
int preemph_old = 0;
int preemph_new = 0;
evt = (struct msm_dai_q6_spdif_event_msg *)payload;
dai_data = (struct msm_dai_q6_spdif_dai_data *)private_data;
pr_debug("%s: old state %d, fmt %d, rate %d\n",
preemph_old = GET_PREEMPH(dai_data->fmt_event.channel_status[0]);
preemph_new = GET_PREEMPH(evt->fmt_event.channel_status[0]);
pr_debug("%s: old state %d, fmt %d, rate %d, preemph %d\n",
__func__, dai_data->fmt_event.status,
dai_data->fmt_event.data_format,
dai_data->fmt_event.sample_rate);
pr_debug("%s: new state %d, fmt %d, rate %d\n",
dai_data->fmt_event.sample_rate,
preemph_old);
pr_debug("%s: new state %d, fmt %d, rate %d, preemph %d\n",
__func__, evt->fmt_event.status,
evt->fmt_event.data_format,
evt->fmt_event.sample_rate);
evt->fmt_event.sample_rate,
preemph_new);
dai_data->fmt_event.status = evt->fmt_event.status;
dai_data->fmt_event.data_format = evt->fmt_event.data_format;
dai_data->fmt_event.sample_rate = evt->fmt_event.sample_rate;
dai_data->fmt_event.channel_status[0] =
evt->fmt_event.channel_status[0];
dai_data->fmt_event.channel_status[1] =
evt->fmt_event.channel_status[1];
dai_data->fmt_event.channel_status[2] =
evt->fmt_event.channel_status[2];
dai_data->fmt_event.channel_status[3] =
evt->fmt_event.channel_status[3];
dai_data->fmt_event.channel_status[4] =
evt->fmt_event.channel_status[4];
dai_data->fmt_event.channel_status[5] =
evt->fmt_event.channel_status[5];
}
static int msm_dai_q6_spdif_hw_params(struct snd_pcm_substream *substream,
@ -1898,17 +1920,40 @@ static ssize_t msm_dai_q6_spdif_sysfs_rda_audio_rate(struct device *dev,
return ret;
}
static ssize_t msm_dai_q6_spdif_sysfs_rda_audio_preemph(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
struct msm_dai_q6_spdif_dai_data *dai_data = dev_get_drvdata(dev);
int preemph = 0;
if (!dai_data) {
pr_err("%s: invalid input\n", __func__);
return -EINVAL;
}
preemph = GET_PREEMPH(dai_data->fmt_event.channel_status[0]);
ret = snprintf(buf, MSM_DAI_SYSFS_ENTRY_MAX_LEN, "%d\n", preemph);
pr_debug("%s: '%d'\n", __func__, preemph);
return ret;
}
static DEVICE_ATTR(audio_state, 0444, msm_dai_q6_spdif_sysfs_rda_audio_state,
NULL);
static DEVICE_ATTR(audio_format, 0444, msm_dai_q6_spdif_sysfs_rda_audio_format,
NULL);
static DEVICE_ATTR(audio_rate, 0444, msm_dai_q6_spdif_sysfs_rda_audio_rate,
NULL);
static DEVICE_ATTR(audio_preemph, 0444,
msm_dai_q6_spdif_sysfs_rda_audio_preemph, NULL);
static struct attribute *msm_dai_q6_spdif_fs_attrs[] = {
&dev_attr_audio_state.attr,
&dev_attr_audio_format.attr,
&dev_attr_audio_rate.attr,
&dev_attr_audio_preemph.attr,
NULL,
};
static struct attribute_group msm_dai_q6_spdif_fs_attrs_group = {