- rename ELD proc write routine to hdmi_write_eld_info()
- support modifying WMAPro's profile
Write to some ELD fields (monitor_name, manufacture_id, product_id,
eld_version, edid_version) are deliberately not supported, since that
won't correct wrong behaviors and only leads to confusions.
Signed-off-by: Wu Fengguang <wfg@xxxxxxxxxxxxxxx>
---
sound/pci/hda/hda_eld.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- sound-2.6.orig/sound/pci/hda/hda_eld.c
+++ sound-2.6/sound/pci/hda/hda_eld.c
@@ -502,7 +502,7 @@ static void hdmi_print_eld_info(struct s
hdmi_print_sad_info(i, e->sad + i, buffer);
}
-static void hdmi_write_eld_item(struct snd_info_entry *entry,
+static void hdmi_write_eld_info(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct hdmi_eld *e = entry->private_data;
@@ -515,6 +515,11 @@ static void hdmi_write_eld_item(struct s
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "%s %llx", name, &val) != 2)
continue;
+ /*
+ * We don't allow modification to these fields:
+ * monitor_name manufacture_id product_id
+ * eld_version edid_version
+ */
if (!strcmp(name, "connection_type"))
e->conn_type = val;
else if (!strcmp(name, "port_id"))
@@ -548,6 +553,8 @@ static void hdmi_write_eld_item(struct s
e->sad[n].sample_bits = val;
else if (!strcmp(sname, "_max_bitrate"))
e->sad[n].max_bitrate = val;
+ else if (!strcmp(sname, "_profile"))
+ e->sad[n].profile = val;
if (n >= e->sad_count)
e->sad_count = n + 1;
}
@@ -567,7 +574,7 @@ int snd_hda_eld_proc_new(struct hda_code
return err;
snd_info_set_text_ops(entry, eld, hdmi_print_eld_info);
- entry->c.text.write = hdmi_write_eld_item;
+ entry->c.text.write = hdmi_write_eld_info;
entry->mode |= S_IWUSR;
eld->proc_entry = entry;
--
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