ASoC: rt5682: Let PLL2 support the freq conversion for 44100Hz sample rate

PLL2 of rt5682 only supports the freq conversion for 48000Hz
sample rate so far, this patch lets it support 44100Hz.

Signed-off-by: derek.fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/1591938925-1070-3-git-send-email-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5682.c

@@ -2248,7 +2248,7 @@ static int rt5682_set_component_pll(struct snd_soc_component *component,
 {
 	struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
 	struct rl6231_pll_code pll_code, pll2f_code, pll2b_code;
-	unsigned int pll2_fout1;
+	unsigned int pll2_fout1, pll2_ps_val;
 	int ret;
 
 	if (source == rt5682->pll_src[pll_id] &&
@@ -2317,8 +2317,15 @@ static int rt5682_set_component_pll(struct snd_soc_component *component,
 			pll2b_code.n_code);
 		snd_soc_component_write(component, RT5682_PLL2_CTRL_3,
 			pll2f_code.n_code << RT5682_PLL2F_N_SFT);
+
+		if (freq_out == 22579200)
+			pll2_ps_val = 1 << RT5682_PLL2B_SEL_PS_SFT;
+		else
+			pll2_ps_val = 1 << RT5682_PLL2B_PS_BYP_SFT;
 		snd_soc_component_update_bits(component, RT5682_PLL2_CTRL_4,
+			RT5682_PLL2B_SEL_PS_MASK | RT5682_PLL2B_PS_BYP_MASK |
 			RT5682_PLL2B_M_BP_MASK | RT5682_PLL2F_M_BP_MASK | 0xf,
+			pll2_ps_val |
 			(pll2b_code.m_bp ? 1 : 0) << RT5682_PLL2B_M_BP_SFT |
 			(pll2f_code.m_bp ? 1 : 0) << RT5682_PLL2F_M_BP_SFT |
 			0xf);

sound/soc/codecs/rt5682.h

@@ -1080,6 +1080,10 @@
 #define RT5682_PLL2F_N_SFT			8
 
 /* PLL2 M/N/K Code Control 2 (0x009e) */
+#define RT5682_PLL2B_SEL_PS_MASK		(0x1 << 13)
+#define RT5682_PLL2B_SEL_PS_SFT			13
+#define RT5682_PLL2B_PS_BYP_MASK		(0x1 << 12)
+#define RT5682_PLL2B_PS_BYP_SFT			12
 #define RT5682_PLL2B_M_BP_MASK			(0x1 << 11)
 #define RT5682_PLL2B_M_BP_SFT			11
 #define RT5682_PLL2F_M_BP_MASK			(0x1 << 7)