8 Jun
2021
8 Jun
'21
3:59 p.m.
On Tue, Jun 01, 2021 at 12:31:55PM +0100, Srinivas Kandagatla wrote:
+static int wcd938x_rx_hph_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)+{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
- wcd938x->hph_mode = ucontrol->value.enumerated.item[0];
- return 0;
+}
_put() should return true if it made a change, the same bug is present in a lot of other drivers too.
+static const struct snd_kcontrol_new wcd9380_snd_controls[] = {
- SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum_wcd9380,
wcd938x_rx_hph_mode_get, wcd938x_rx_hph_mode_put),- SOC_ENUM_EXT("TX0 MODE", tx_mode_mux_enum_wcd9380[0],
wcd938x_tx_mode_get, wcd938x_tx_mode_put),- SOC_ENUM_EXT("TX1 MODE", tx_mode_mux_enum_wcd9380[1],
wcd938x_tx_mode_get, wcd938x_tx_mode_put),- SOC_ENUM_EXT("TX2 MODE", tx_mode_mux_enum_wcd9380[2],
wcd938x_tx_mode_get, wcd938x_tx_mode_put),- SOC_ENUM_EXT("TX3 MODE", tx_mode_mux_enum_wcd9380[3],
wcd938x_tx_mode_get, wcd938x_tx_mode_put),+};
Please don't use this pattern of indexing into arrays by absolute number, it's error prone and hard to read. Just declare static variables for the enums and reference them individually.