diff options
| -rw-r--r-- | sound/soc/codecs/cs530x.c | 29 | ||||
| -rw-r--r-- | sound/soc/codecs/cs530x.h | 6 |
2 files changed, 24 insertions, 11 deletions
diff --git a/sound/soc/codecs/cs530x.c b/sound/soc/codecs/cs530x.c index 18b5ff75feec..2c7e33135911 100644 --- a/sound/soc/codecs/cs530x.c +++ b/sound/soc/codecs/cs530x.c @@ -1093,6 +1093,29 @@ static int cs530x_component_probe(struct snd_soc_component *component) return 0; } +static bool cs530x_mclk_freq_is_valid(struct cs530x_priv *cs530x, + unsigned int freq) +{ + /* + * All these chips support 48 kHz- and 44.1 kHz-related sample rates, + * but they differ in what MCLK frequency is required for achieving + * the sample rate. + */ + switch (cs530x->devtype) { + case CS4282: + case CS4302: + case CS4304: + case CS4308: + return freq == 49152000 || freq == 45158400; + case CS5302: + case CS5304: + case CS5308: + return freq == 24576000 || freq == 22579200; + } + + return false; +} + static int cs530x_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { @@ -1101,11 +1124,7 @@ static int cs530x_set_sysclk(struct snd_soc_component *component, int clk_id, switch (source) { case CS530X_SYSCLK_SRC_MCLK: - switch (freq) { - case CS530X_SYSCLK_REF_45_1MHZ: - case CS530X_SYSCLK_REF_49_1MHZ: - break; - default: + if (!cs530x_mclk_freq_is_valid(cs530x, freq)) { dev_err(component->dev, "Invalid MCLK source rate %d\n", freq); return -EINVAL; } diff --git a/sound/soc/codecs/cs530x.h b/sound/soc/codecs/cs530x.h index 1e2f6a7a589c..18aa4dfd0c86 100644 --- a/sound/soc/codecs/cs530x.h +++ b/sound/soc/codecs/cs530x.h @@ -200,12 +200,6 @@ /* IN_VOL_CTL5 and OUT_VOL_CTL5 */ #define CS530X_INOUT_VU BIT(0) -/* MCLK Reference Source Frequency */ -/* 41KHz related */ -#define CS530X_SYSCLK_REF_45_1MHZ 45158400 -/* 48KHz related */ -#define CS530X_SYSCLK_REF_49_1MHZ 49152000 - /* System Clock Source */ #define CS530X_SYSCLK_SRC_MCLK 0 #define CS530X_SYSCLK_SRC_PLL 1 |