The dummy speakup driver is used to check that speakup is working
properly, without the need for actually owning the hardware. Some
drivers require receiving characters, so we need a way to check that
this is working properly.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Index: linux-5.9/drivers/accessibility/speakup/speakup_dummy.c
===================================================================
--- linux-5.9.orig/drivers/accessibility/speakup/speakup_dummy.c
+++ linux-5.9/drivers/accessibility/speakup/speakup_dummy.c
@@ -80,6 +80,11 @@ static struct attribute *synth_attrs[] =
NULL, /* need to NULL terminate the list of attributes */
};
+static void read_buff_add(u_char c)
+{
+ pr_info("speakup_dummy: got character %02x\n", c);
+}
+
static struct spk_synth synth_dummy = {
.name = "dummy",
.version = DRV_VERSION,
@@ -103,7 +108,7 @@ static struct spk_synth synth_dummy = {
.flush = spk_synth_flush,
.is_alive = spk_synth_is_alive_restart,
.synth_adjust = NULL,
- .read_buff_add = NULL,
+ .read_buff_add = read_buff_add,
.get_index = NULL,
.indexing = {
.command = NULL,
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