Pin's connection list may change dynamically with hot-plug event on Intel Haswell chip. Users would see connections be "0" in codec#. when play audio on this pin, software choose connections from cache. So add Cache connection info to avoid confuse.
Signed-off-by: Wang Xingchao xingchao.wang@linux.intel.com --- sound/pci/hda/hda_proc.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 0fee8fa..403589c 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -504,6 +504,8 @@ static void print_conn_list(struct snd_info_buffer *buffer, int conn_len) { int c, curr = -1; + const hda_nid_t *list; + int cache_len;
if (conn_len > 1 && wid_type != AC_WID_AUD_MIX && @@ -511,7 +513,7 @@ static void print_conn_list(struct snd_info_buffer *buffer, wid_type != AC_WID_POWER) curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0); - snd_iprintf(buffer, " Connection: %d\n", conn_len); + snd_iprintf(buffer, " Raw Connection: %d\n", conn_len); if (conn_len > 0) { snd_iprintf(buffer, " "); for (c = 0; c < conn_len; c++) { @@ -521,6 +523,19 @@ static void print_conn_list(struct snd_info_buffer *buffer, } snd_iprintf(buffer, "\n"); } + + /* Get Cache connections info */ + cache_len = snd_hda_get_conn_list(codec, nid, &list); + if (cache_len != conn_len + || memcmp(list, conn, conn_len)) { + snd_iprintf(buffer, " Cache Connection: %d\n", conn_len); + if (cache_len > 0) { + snd_iprintf(buffer, " "); + for (c = 0; c < conn_len; c++) + snd_iprintf(buffer, " 0x%02x", list[c]); + snd_iprintf(buffer, "\n"); + } + } }
static void print_gpio(struct snd_info_buffer *buffer,