diff options
| author |   Olli Salonen <olli.salonen@iki.fi> | 2014-08-25 15:07:03 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-21 16:42:38 -0300 |
| commit | 4cbf6ed910c88d7f6c15304f9a5a3ed86290dc06 (patch) | |
| tree | 74d5122fa566d328182db14ba3fcb656d85acfc9 /drivers/media/tuners/si2157.c | |
| parent | [media] si2157: change command for sleep (diff) | |
| download | wireguard-linux-4cbf6ed910c88d7f6c15304f9a5a3ed86290dc06.tar.xz wireguard-linux-4cbf6ed910c88d7f6c15304f9a5a3ed86290dc06.zip | |
[media] si2157: avoid firmware loading if it has been loaded previously
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@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/tuners/si2157.c')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index c84f7b8ee8d2..5901484011b9 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 */ |