Add a variable into state to keep track if firmware has been loaded or not.
Skip firmware loading in case it is already loaded (resume from sleep).
Signed-off-by: Olli Salonen <olli.salonen@xxxxxx>
---
drivers/media/tuners/si2157.c | 11 +++++++++--
drivers/media/tuners/si2157_priv.h | 1 +
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index c84f7b8..5901484 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -89,7 +89,10 @@ static int si2157_init(struct dvb_frontend *fe)
dev_dbg(&s->client->dev, "\n");
- /* configure? */
+ if (s->fw_loaded)
+ goto warm;
+
+ /* power up */
memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15);
cmd.wlen = 15;
cmd.rlen = 1;
@@ -176,9 +179,12 @@ skip_fw_download:
if (ret)
goto err;
- s->active = true;
+ s->fw_loaded = true;
+warm:
+ s->active = true;
return 0;
+
err:
if (fw)
release_firmware(fw);
@@ -320,6 +326,7 @@ static int si2157_probe(struct i2c_client *client,
s->client = client;
s->fe = cfg->fe;
s->inversion = cfg->inversion;
+ s->fw_loaded = false;
mutex_init(&s->i2c_mutex);
/* check if the tuner is there */
diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h
index 3ddab5e..4080a57 100644
--- a/drivers/media/tuners/si2157_priv.h
+++ b/drivers/media/tuners/si2157_priv.h
@@ -26,6 +26,7 @@ struct si2157 {
struct i2c_client *client;
struct dvb_frontend *fe;
bool active;
+ bool fw_loaded;
bool inversion;
};
--
1.9.1
--
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