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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-16 08:49:49 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-16 08:49:49 -0200 |
| commit | b34a0d93b84d618d2bc1f5fb38f34e3f7b92a800 (patch) | |
| tree | be18b1bed984022cadb54dfc47cc6910866f2303 /linux/drivers/media | |
| parent | f1c557c347ffdb71872fe4cc6c093c7a5c7026ef (diff) | |
| download | mediapointer-dvb-s2-b34a0d93b84d618d2bc1f5fb38f34e3f7b92a800.tar.gz mediapointer-dvb-s2-b34a0d93b84d618d2bc1f5fb38f34e3f7b92a800.tar.bz2 | |
Allow RESET_CLK callback and avoids unneeded loading
From: Michel Ludwig <michel.ludwig@gmail.com>
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>
Diffstat (limited to 'linux/drivers/media')
| -rw-r--r-- | linux/drivers/media/video/tuner-xc2028.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/linux/drivers/media/video/tuner-xc2028.c b/linux/drivers/media/video/tuner-xc2028.c index 4ed545bb1..edb325017 100644 --- a/linux/drivers/media/video/tuner-xc2028.c +++ b/linux/drivers/media/video/tuner-xc2028.c @@ -473,6 +473,23 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type, } 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) { @@ -639,6 +656,9 @@ static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, 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; |