V4L/DVB (6612): Allow RESET_CLK callback and avoids unneeded loading
TM5600/TM6000 needs clock reset during firmware load. This patch adds the
capability of caling a callback method for this.
Also, avoids uneeded firmware loads.
Signed-off-by: Michel Ludwig <michel.ludwig@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c
index 0a2ffe4..89e6e64 100644
--- a/drivers/media/video/tuner-xc2028.c
+++ b/drivers/media/video/tuner-xc2028.c
@@ -461,6 +461,23 @@
}
continue;
}
+ if (size >= 0xff00) {
+ switch (size) {
+ case 0xff00:
+ rc = priv->tuner_callback(priv->video_dev,
+ XC2028_RESET_CLK, 0);
+ if (rc < 0) {
+ tuner_err("Error at RESET code %d\n",
+ (*p) & 0x7f);
+ return -EINVAL;
+ }
+ default:
+ tuner_info("Invalid RESET code %d\n",
+ size & 0x7f);
+ return -EINVAL;
+
+ }
+ }
/* Checks for a sleep command */
if (size & 0x8000) {
@@ -627,6 +644,9 @@
priv->bandwidth = bandwidth;
}
+ if (!change_digital_bandwidth && priv->mode == T_DIGITAL_TV)
+ return 0;
+
/* Load INIT1, if needed */
tuner_dbg("Load init1 firmware, if exists\n");
type0 = BASE | INIT1;