Re: [PATCH v3 2/7] ASoC: codecs: wcd-clsh: add new version support

From: Srinivas Kandagatla
Date: Mon Mar 22 2021 - 06:27:14 EST




On 19/03/2021 15:23, Pierre-Louis Bossart wrote:

+static void wcd_clsh_v3_set_hph_mode(struct snd_soc_component *component,
+                  int mode)
+{
+    u8 val = 0;

initialization not needed.

I agree, will remove this in next spin.

+
+    switch (mode) {
+    case CLS_H_NORMAL:
+        val = 0x00;
+        break;
+    case CLS_AB:
+    case CLS_H_ULP:
+        val = 0x0C;
+        break;
+    case CLS_AB_HIFI:
+    case CLS_H_HIFI:
+        val = 0x08;
+        break;
+    case CLS_H_LP:
+    case CLS_H_LOHIFI:
+    case CLS_AB_LP:
+    case CLS_AB_LOHIFI:
+        val = 0x04;
+        break;
+    default:
+        dev_err(component->dev, "%s:Invalid mode %d\n", __func__, mode);
+        return;
+    };
+
+    snd_soc_component_update_bits(component, WCD9XXX_ANA_HPH, 0x0C, val);
+}
+
+

extra line

will remove this in next spin.

+void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl, int mode)
+{
+    struct snd_soc_component *comp = ctrl->comp;
+
+    if (ctrl->codec_version >= WCD937X)
+        wcd_clsh_v3_set_hph_mode(comp, mode);
+    else
+        wcd_clsh_v2_set_hph_mode(comp, mode);
+
+}
+
  static void wcd_clsh_set_flyback_current(struct snd_soc_component *comp,
                       int mode)
  {
@@ -289,6 +388,130 @@ static void wcd_clsh_set_buck_regulator_mode(struct snd_soc_component *comp,
                      WCD9XXX_A_ANA_RX_REGULATOR_MODE_CLS_H);
  }
+static void wcd_clsh_v3_set_buck_regulator_mode(struct snd_soc_component *component,
+                        int mode)
+{
+    snd_soc_component_update_bits(component, WCD9XXX_ANA_RX_SUPPLIES,
+                0x02, 0x00);
+}
+
+static inline void wcd_clsh_v3_set_flyback_mode(struct snd_soc_component *component,
+                        int mode)
+{
+    if (mode == CLS_H_HIFI || mode == CLS_H_LOHIFI ||
+        mode == CLS_AB_HIFI || mode == CLS_AB_LOHIFI) {
+        snd_soc_component_update_bits(component,
+                WCD9XXX_ANA_RX_SUPPLIES,
+                0x04, 0x04);
+        snd_soc_component_update_bits(component,
+                WCD9XXX_FLYBACK_VNEG_CTRL_4,
+                0xF0, 0x80);
+    } else {
+        snd_soc_component_update_bits(component,
+                WCD9XXX_ANA_RX_SUPPLIES,
+                0x04, 0x00); /* set to Default */
+        snd_soc_component_update_bits(component,
+                WCD9XXX_FLYBACK_VNEG_CTRL_4,
+                0xF0, 0x70);
+    }
+}
+
+static inline void wcd_clsh_v3_force_iq_ctl(struct snd_soc_component *component,
+                     int mode, bool enable)
+{
+    if (enable) {
+        snd_soc_component_update_bits(component,
+                WCD9XXX_FLYBACK_VNEGDAC_CTRL_2,
+                0xE0, 0xA0);
+        /* 100usec delay is needed as per HW requirement */
+        usleep_range(100, 110);
+        snd_soc_component_update_bits(component,
+                WCD9XXX_CLASSH_MODE_3,
+                0x02, 0x02);
+        snd_soc_component_update_bits(component,
+                WCD9XXX_CLASSH_MODE_2,
+                0xFF, 0x1C);
+        if (mode == CLS_H_LOHIFI || mode == CLS_AB_LOHIFI) {
+            snd_soc_component_update_bits(component,
+                    WCD9XXX_HPH_NEW_INT_PA_MISC2,
+                    0x20, 0x20);
+            snd_soc_component_update_bits(component,
+                    WCD9XXX_RX_BIAS_HPH_LOWPOWER,
+                    0xF0, 0xC0);
+            snd_soc_component_update_bits(component,
+                    WCD9XXX_HPH_PA_CTL1,
+                    0x0E, 0x02);
+        }
+    } else {
+        snd_soc_component_update_bits(component,
+                WCD9XXX_HPH_NEW_INT_PA_MISC2,
+                0x20, 0x00);
+        snd_soc_component_update_bits(component,
+                WCD9XXX_RX_BIAS_HPH_LOWPOWER,
+                0xF0, 0x80);
+        snd_soc_component_update_bits(component,
+                WCD9XXX_HPH_PA_CTL1,
+                0x0E, 0x06);
+    }
+}

do you need the inline for the two functions above?
yes, these are totally unnecessary.

--srini