[alsa-devel] [PATCH] hda-emu: Implement tpacpi_set_led

[David Henningsson]

This allows for testing the feature as well as avoiding a warning
when testing the relevant codecs.

Signed-off-by: David Henningsson <david.henningsson at canonical.com>
---
 include/wrapper.h |    3 +--
 snd-wrapper.c     |    7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

Note: the i915 power well functions probably needs implementing as well now
that symbol_request is changed, but this does not seem to be a problem here,
maybe because hda_i915 is not in the kernel/Makefile.am file?

diff --git a/include/wrapper.h b/include/wrapper.h
index f7dd65d..93a9f93 100644
--- a/include/wrapper.h
+++ b/include/wrapper.h
@@ -238,8 +238,7 @@ void mylock_write_unlock(int *lock, const char *file, int line);
 /* FIXME */
 #define IS_ENABLED(x)		1
 
-/* FIXME */
-#define symbol_request(x)	NULL
+#define symbol_request(x)	x
 #define symbol_put(x)
 
 static inline long copy_from_user(void *to, const void __user *from, unsigned long n)
diff --git a/snd-wrapper.c b/snd-wrapper.c
index 1ec8a49..dbc62c5 100644
--- a/snd-wrapper.c
+++ b/snd-wrapper.c
@@ -720,3 +720,10 @@ int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_pcm_add_chmap_ctls);
+
+int tpacpi_led_set(int whichled, bool on)
+{
+	hda_log(HDA_LOG_INFO, "Setting thinkpad LED %d to %s\n", whichled, on ? "on" : "off" );
+	return 0;
+}
+
-- 
1.7.9.5