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path: root/drivers/media/common
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-rw-r--r--drivers/media/common/tuners/xc5000.c30
-rw-r--r--drivers/media/common/tuners/xc5000_priv.h1
2 files changed, 23 insertions, 8 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index ceae6db901ec..7cf4f5bdb2ec 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] = {
177 {"FM Radio-INPUT1", 0x0208, 0x9002} 177 {"FM Radio-INPUT1", 0x0208, 0x9002}
178}; 178};
179 179
180static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
180static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len); 181static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len);
181static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len); 182static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len);
182static void xc5000_TunerReset(struct dvb_frontend *fe); 183static void xc5000_TunerReset(struct dvb_frontend *fe);
@@ -352,7 +353,7 @@ static int xc_SetTVStandard(struct xc5000_priv *priv,
352 353
353static int xc_shutdown(struct xc5000_priv *priv) 354static int xc_shutdown(struct xc5000_priv *priv)
354{ 355{
355 return 0; 356 return XC_RESULT_SUCCESS;
356 /* Fixme: cannot bring tuner back alive once shutdown 357 /* Fixme: cannot bring tuner back alive once shutdown
357 * without reloading the driver modules. 358 * without reloading the driver modules.
358 * return xc_write_reg(priv, XREG_POWER_DOWN, 0); 359 * return xc_write_reg(priv, XREG_POWER_DOWN, 0);
@@ -685,6 +686,25 @@ static int xc5000_set_params(struct dvb_frontend *fe,
685 return 0; 686 return 0;
686} 687}
687 688
689static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
690{
691 struct xc5000_priv *priv = fe->tuner_priv;
692 int ret;
693 u16 id;
694
695 ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
696 if (ret == XC_RESULT_SUCCESS) {
697 if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
698 ret = XC_RESULT_RESET_FAILURE;
699 else
700 ret = XC_RESULT_SUCCESS;
701 }
702
703 dprintk(1, "%s() returns %s id = 0x%x\n", __func__,
704 ret == XC_RESULT_SUCCESS ? "True" : "False", id);
705 return ret;
706}
707
688static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe); 708static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe);
689 709
690static int xc5000_set_analog_params(struct dvb_frontend *fe, 710static int xc5000_set_analog_params(struct dvb_frontend *fe,
@@ -693,7 +713,7 @@ static int xc5000_set_analog_params(struct dvb_frontend *fe,
693 struct xc5000_priv *priv = fe->tuner_priv; 713 struct xc5000_priv *priv = fe->tuner_priv;
694 int ret; 714 int ret;
695 715
696 if(priv->fwloaded == 0) 716 if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS)
697 xc_load_fw_and_init_tuner(fe); 717 xc_load_fw_and_init_tuner(fe);
698 718
699 dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", 719 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)
808 struct xc5000_priv *priv = fe->tuner_priv; 828 struct xc5000_priv *priv = fe->tuner_priv;
809 int ret = 0; 829 int ret = 0;
810 830
811 if (priv->fwloaded == 0) { 831 if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
812 ret = xc5000_fwupload(fe); 832 ret = xc5000_fwupload(fe);
813 if (ret != XC_RESULT_SUCCESS) 833 if (ret != XC_RESULT_SUCCESS)
814 return ret; 834 return ret;
815 priv->fwloaded = 1;
816 } 835 }
817 836
818 /* Start the tuner self-calibration process */ 837 /* Start the tuner self-calibration process */
@@ -852,7 +871,6 @@ static int xc5000_sleep(struct dvb_frontend *fe)
852 return -EREMOTEIO; 871 return -EREMOTEIO;
853 } 872 }
854 else { 873 else {
855 /* priv->fwloaded = 0; */
856 return XC_RESULT_SUCCESS; 874 return XC_RESULT_SUCCESS;
857 } 875 }
858} 876}
@@ -933,7 +951,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
933 cfg->i2c_address); 951 cfg->i2c_address);
934 printk(KERN_INFO 952 printk(KERN_INFO
935 "xc5000: Firmware has been loaded previously\n"); 953 "xc5000: Firmware has been loaded previously\n");
936 priv->fwloaded = 1;
937 break; 954 break;
938 case XC_PRODUCT_ID_FW_NOT_LOADED: 955 case XC_PRODUCT_ID_FW_NOT_LOADED:
939 printk(KERN_INFO 956 printk(KERN_INFO
@@ -941,7 +958,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
941 cfg->i2c_address); 958 cfg->i2c_address);
942 printk(KERN_INFO 959 printk(KERN_INFO
943 "xc5000: Firmware has not been loaded previously\n"); 960 "xc5000: Firmware has not been loaded previously\n");
944 priv->fwloaded = 0;
945 break; 961 break;
946 default: 962 default:
947 printk(KERN_ERR 963 printk(KERN_ERR
diff --git a/drivers/media/common/tuners/xc5000_priv.h b/drivers/media/common/tuners/xc5000_priv.h
index ecebfe4745ad..a72a9887fe7f 100644
--- a/drivers/media/common/tuners/xc5000_priv.h
+++ b/drivers/media/common/tuners/xc5000_priv.h
@@ -30,7 +30,6 @@ struct xc5000_priv {
30 u32 bandwidth; 30 u32 bandwidth;
31 u8 video_standard; 31 u8 video_standard;
32 u8 rf_mode; 32 u8 rf_mode;
33 u8 fwloaded;
34 33
35 void *devptr; 34 void *devptr;
36}; 35};