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Diffstat (limited to 'src/soc/amd/picasso/fch.c')
-rw-r--r--src/soc/amd/picasso/fch.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/soc/amd/picasso/fch.c b/src/soc/amd/picasso/fch.c
index cda509b0a5..0fe176b21a 100644
--- a/src/soc/amd/picasso/fch.c
+++ b/src/soc/amd/picasso/fch.c
@@ -89,9 +89,15 @@ const struct irq_idx_name *sb_get_apic_reg_association(size_t *size)
void sb_clk_output_48Mhz(void)
{
u32 ctrl;
+ const struct soc_amd_picasso_config *cfg;
+ cfg = config_of_soc();
ctrl = misc_read32(MISC_CLK_CNTL1);
- ctrl |= BP_X48M0_OUTPUT_EN;
+ /* If used external clock source for I2S, disable the internal clock output */
+ if (cfg->acp_i2s_use_external_48mhz_osc && cfg->acp_pin_cfg == I2S_PINS_I2S_TDM)
+ ctrl &= ~BP_X48M0_OUTPUT_EN;
+ else
+ ctrl |= BP_X48M0_OUTPUT_EN;
misc_write32(MISC_CLK_CNTL1, ctrl);
}