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author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
commit | 896395c290f902576270d84291c1f7f8bfbe339d (patch) | |
tree | 650114bff3a5f808ee1d713ecc443b0eaab2e1c3 /drivers/media/common/tuners/xc5000.c | |
parent | af1cf204ba2fd8135933a2e4df523fb1112dc0e2 (diff) | |
parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
download | op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.zip op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.tar.gz |
Merge branch 'linus' into tmp.x86.mpparse.new
Diffstat (limited to 'drivers/media/common/tuners/xc5000.c')
-rw-r--r-- | drivers/media/common/tuners/xc5000.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index ceae6db..7cf4f5b 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -177,6 +177,7 @@ static XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = { {"FM Radio-INPUT1", 0x0208, 0x9002} }; +static int xc5000_is_firmware_loaded(struct dvb_frontend *fe); static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len); static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len); static void xc5000_TunerReset(struct dvb_frontend *fe); @@ -352,7 +353,7 @@ static int xc_SetTVStandard(struct xc5000_priv *priv, static int xc_shutdown(struct xc5000_priv *priv) { - return 0; + return XC_RESULT_SUCCESS; /* Fixme: cannot bring tuner back alive once shutdown * without reloading the driver modules. * return xc_write_reg(priv, XREG_POWER_DOWN, 0); @@ -685,6 +686,25 @@ static int xc5000_set_params(struct dvb_frontend *fe, return 0; } +static int xc5000_is_firmware_loaded(struct dvb_frontend *fe) +{ + struct xc5000_priv *priv = fe->tuner_priv; + int ret; + u16 id; + + ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id); + if (ret == XC_RESULT_SUCCESS) { + if (id == XC_PRODUCT_ID_FW_NOT_LOADED) + ret = XC_RESULT_RESET_FAILURE; + else + ret = XC_RESULT_SUCCESS; + } + + dprintk(1, "%s() returns %s id = 0x%x\n", __func__, + ret == XC_RESULT_SUCCESS ? "True" : "False", id); + return ret; +} + static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe); static int xc5000_set_analog_params(struct dvb_frontend *fe, @@ -693,7 +713,7 @@ static int xc5000_set_analog_params(struct dvb_frontend *fe, struct xc5000_priv *priv = fe->tuner_priv; int ret; - if(priv->fwloaded == 0) + if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) xc_load_fw_and_init_tuner(fe); dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", @@ -808,11 +828,10 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe) struct xc5000_priv *priv = fe->tuner_priv; int ret = 0; - if (priv->fwloaded == 0) { + if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) { ret = xc5000_fwupload(fe); if (ret != XC_RESULT_SUCCESS) return ret; - priv->fwloaded = 1; } /* Start the tuner self-calibration process */ @@ -852,7 +871,6 @@ static int xc5000_sleep(struct dvb_frontend *fe) return -EREMOTEIO; } else { - /* priv->fwloaded = 0; */ return XC_RESULT_SUCCESS; } } @@ -933,7 +951,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, cfg->i2c_address); printk(KERN_INFO "xc5000: Firmware has been loaded previously\n"); - priv->fwloaded = 1; break; case XC_PRODUCT_ID_FW_NOT_LOADED: printk(KERN_INFO @@ -941,7 +958,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, cfg->i2c_address); printk(KERN_INFO "xc5000: Firmware has not been loaded previously\n"); - priv->fwloaded = 0; break; default: printk(KERN_ERR |