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authorIngo Molnar <mingo@kernel.org>2019-12-25 10:41:37 +0100
committerIngo Molnar <mingo@kernel.org>2019-12-25 10:41:37 +0100
commit1e5f8a308551b9816588e12bb795aeadebe37c4a (patch)
treebd71fc796fed24a3b7cc99df4a1d1bdaecc2b387 /sound/soc/codecs/wm8904.c
parentstop_machine: remove try_stop_cpus helper (diff)
parentLinux 5.5-rc3 (diff)
downloadlinux-1e5f8a308551b9816588e12bb795aeadebe37c4a.tar.xz
linux-1e5f8a308551b9816588e12bb795aeadebe37c4a.zip
Merge tag 'v5.5-rc3' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm8904.c')
-rw-r--r--sound/soc/codecs/wm8904.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 7d7ea15d73e0..5ffbaddd6e49 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -1806,6 +1806,12 @@ static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id,
switch (clk_id) {
case WM8904_CLK_AUTO:
+ /* We don't have any rate constraints, so just ignore the
+ * request to disable constraining.
+ */
+ if (!freq)
+ return 0;
+
mclk_freq = clk_get_rate(priv->mclk);
/* enable FLL if a different sysclk is desired */
if (mclk_freq != freq) {