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-rw-r--r--board/freescale/p1022ds/p1022ds.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/board/freescale/p1022ds/p1022ds.c b/board/freescale/p1022ds/p1022ds.c
index 8ef627f..456d9b0 100644
--- a/board/freescale/p1022ds/p1022ds.c
+++ b/board/freescale/p1022ds/p1022ds.c
@@ -308,7 +308,8 @@ int board_eth_init(bd_t *bis)
* ft_codec_setup - fix up the clock-frequency property of the codec node
*
* Update the clock-frequency property based on the value of the 'audclk'
- * hwconfig option. If audclk is not specified, then default to 12.288MHz.
+ * hwconfig option. If audclk is not specified, then don't write anything
+ * to the device tree, because it means that the codec clock is disabled.
*/
static void ft_codec_setup(void *blob, const char *compatible)
{
@@ -317,12 +318,15 @@ static void ft_codec_setup(void *blob, const char *compatible)
u32 freq;
audclk = hwconfig_arg("audclk", &arglen);
- if (audclk && (strncmp(audclk, "11", 2) == 0))
- freq = 11289600;
- else
- freq = 12288000;
+ if (audclk) {
+ if (strncmp(audclk, "11", 2) == 0)
+ freq = 11289600;
+ else
+ freq = 12288000;
- do_fixup_by_compat_u32(blob, compatible, "clock-frequency", freq, 1);
+ do_fixup_by_compat_u32(blob, compatible, "clock-frequency",
+ freq, 1);
+ }
}
void ft_board_setup(void *blob, bd_t *bd)