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MLK-19797 sound: asoc: fix clk_div computed value 

When clk_div is computed, the K factor from documentation is ignored.
It happened to work on medium quality because the K factor was 1.
Now the clk_div is computed accordingly to the documentation.

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
pull/10/head
Cosmin-Gabriel Samoila 2018-10-03 11:58:54 +03:00 committed by Jason Liu
parent 51c16110d5
commit 456406762c
1 changed files with 4 additions and 4 deletions
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8
sound/soc/fsl/fsl_micfil.c
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@ -749,18 +749,18 @@ static inline int get_pdm_clk(struct fsl_micfil *micfil,
switch (qsel) {
case MICFIL_HIGH_QUALITY:
bclk = rate * 8 * osr;
bclk = rate * 8 * osr / 2; /* kfactor = 0.5 */
break;
case MICFIL_MEDIUM_QUALITY:
case MICFIL_VLOW0_QUALITY:
bclk = rate * 4 * osr;
bclk = rate * 4 * osr * 1; /* kfactor = 1 */
break;
case MICFIL_LOW_QUALITY:
case MICFIL_VLOW1_QUALITY:
bclk = rate * 2 * osr;
bclk = rate * 2 * osr * 2; /* kfactor = 2 */
break;
case MICFIL_VLOW2_QUALITY:
bclk = rate * osr;
bclk = rate * osr * 4; /* kfactor = 4 */
break;
default:
dev_err(&micfil->pdev->dev,