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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>
This commit is contained in:
derek.fang 2020-06-12 13:15:23 +08:00 committed by Mark Brown
parent 8d8efecb28
commit d54348fbef
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 12 additions and 1 deletions
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9
sound/soc/codecs/rt5682.c
View File

@ -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);

4
sound/soc/codecs/rt5682.h
View File

@ -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)