static ssize_t headphone_pa_gain_store(struct kobject *kobj,
struct kobj_attribute *attr, const char *buf, size_t count)
{
unsigned int lval, rval, chksum;
unsigned int gain, status;
unsigned int out;
sscanf(buf, "%u %u %u", &lval, &rval, &chksum);
if (calc_checksum(lval, rval, chksum)) {
gain = tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_L_GAIN);
out = (gain & 0xf0) | lval;
tabla_write(fauxsound_codec_ptr, TABLA_A_RX_HPH_L_GAIN, out);
status = tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_L_STATUS);
out = (status & 0x0f) | (lval << 4);
tabla_write(fauxsound_codec_ptr, TABLA_A_RX_HPH_L_STATUS, out);
gain = tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_R_GAIN);
out = (gain & 0xf0) | rval;
tabla_write(fauxsound_codec_ptr, TABLA_A_RX_HPH_R_GAIN, out);
status = tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_R_STATUS);
out = (status & 0x0f) | (rval << 4);
tabla_write(fauxsound_codec_ptr, TABLA_A_RX_HPH_R_STATUS, out);
}
return count;
}
static ssize_t headphone_pa_gain_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sprintf(buf, "%u %u",
tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_L_GAIN),
tabla_read(fauxsound_codec_ptr, TABLA_A_RX_HPH_R_GAIN));
}
static ssize_t headphone_gain_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sprintf(buf, "%u %u",
tabla_read(fauxsound_codec_ptr,
TABLA_A_CDC_RX1_VOL_CTL_B2_CTL),
tabla_read(fauxsound_codec_ptr,
TABLA_A_CDC_RX2_VOL_CTL_B2_CTL));
}
static ssize_t speaker_gain_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sprintf(buf, "%u %u\n",
tabla_read(fauxsound_codec_ptr,
TABLA_A_CDC_RX3_VOL_CTL_B2_CTL),
tabla_read(fauxsound_codec_ptr,
TABLA_A_CDC_RX4_VOL_CTL_B2_CTL));
}
static ssize_t mic_gain_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sprintf(buf, "%u",
tabla_read(fauxsound_codec_ptr,
TABLA_A_CDC_TX7_VOL_CTL_GAIN));
}
static ssize_t sound_reg_read_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
if (selected_reg == 0xdeadbeef)
return -1;
else
return sprintf(buf, "%u\n",
tabla_read(fauxsound_codec_ptr, selected_reg));
}