Op 01-10-2024 om 11:17 schreef Jack Yu:
This is the initial codec driver for rt721-sdca. It's a three functions (jack,mic,amp) soundwire driver.
Signed-off-by: Jack Yu jack.yu@realtek.com
v2: Fix typo in mbq default registers. v3: Include soundwire common functions for Realtek.
sound/soc/codecs/Kconfig | 7 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/rt721-sdca-sdw.c | 551 ++++++++++ sound/soc/codecs/rt721-sdca-sdw.h | 150 +++ sound/soc/codecs/rt721-sdca.c | 1547 +++++++++++++++++++++++++++++ sound/soc/codecs/rt721-sdca.h | 268 +++++ 6 files changed, 2525 insertions(+) create mode 100644 sound/soc/codecs/rt721-sdca-sdw.c create mode 100644 sound/soc/codecs/rt721-sdca-sdw.h create mode 100644 sound/soc/codecs/rt721-sdca.c create mode 100644 sound/soc/codecs/rt721-sdca.h
[...] +static int rt721_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)+{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct rt721_sdca_priv *rt721 = snd_soc_component_get_drvdata(component);
- struct rt721_sdca_dmic_kctrl_priv *p =
(struct rt721_sdca_dmic_kctrl_priv *)kcontrol->private_value;- unsigned int boost_step = 0x0a00;
- unsigned int vol_max = 0x1e00;
- unsigned int regvalue, ctl, i;
- unsigned int adc_vol_flag = 0;
- const unsigned int interval_offset = 0xc0;
- if (strstr(ucontrol->id.name, "FU1E Capture Volume"))
adc_vol_flag = 1;- /* check all channels */
- for (i = 0; i < p->count; i++) {
regmap_read(rt721->mbq_regmap, p->reg_base + i, ®value);if (!adc_vol_flag) /* boost gain */ctl = regvalue / boost_step;else { /* ADC gain */if (adc_vol_flag)ctl = p->max - (((vol_max - regvalue) & 0xffff) / interval_offset);else
At this point it is dead code. BTW This was detected by Coverity Scan; CID 1600271
ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset);}ucontrol->value.integer.value[i] = ctl;- }
- return 0;
+}