[media] xc5000: allow drivers to set desired firmware in xc5000_attach

newer versions of the xc5000 silicon require newer firmware
while remaining 100% driver compatible.  original versions
of the xc5000a continue to use the same firmware.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 16 insertions, 6 deletions

diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 296df05b8cda..16c3f75816c4 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -49,9 +49,6 @@ static LIST_HEAD(hybrid_tuner_instance_list);
 #define dprintk(level, fmt, arg...) if (debug >= level) \
         printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
 
-#define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
-#define XC5000_DEFAULT_FIRMWARE_SIZE 12401
-
 struct xc5000_priv {
         struct tuner_i2c_props i2c_props;
         struct list_head hybrid_tuner_instance_list;
@@ -62,6 +59,8 @@ struct xc5000_priv {
         u8  video_standard;
         u8  rf_mode;
         u8  radio_input;
+
+        struct xc5000_fw_cfg *fw;
 };
 
 /* Misc Defines */
@@ -204,6 +203,11 @@ static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
         {"FM Radio-INPUT1_MONO", 0x0278, 0x9002}
 };
 
+struct xc5000_fw_cfg xc5000a_1_6_114 = {
+        .name = "dvb-fe-xc5000-1.6.114.fw",
+        .size = 12401,
+};
+
 static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe);
 static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
 static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val);
@@ -555,9 +559,9 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
 
         /* request the firmware, this will block and timeout */
         printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
-                XC5000_DEFAULT_FIRMWARE);
+                priv->fw->name);
 
-        ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE,
+        ret = request_firmware(&fw, priv->fw->name,
                 priv->i2c_props.adap->dev.parent);
         if (ret) {
                 printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
@@ -569,7 +573,7 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
                 ret = XC_RESULT_SUCCESS;
         }
 
-        if (fw->size != XC5000_DEFAULT_FIRMWARE_SIZE) {
+        if (fw->size != priv->fw->size) {
                 printk(KERN_ERR "xc5000: firmware incorrect size\n");
                 ret = XC_RESULT_RESET_FAILURE;
         } else {
@@ -1139,6 +1143,12 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
         if (priv->radio_input == 0)
                 priv->radio_input = cfg->radio_input;
 
+        /* don't override firmware filename if it's already been set
+           unless explicitly specified */
+        if ((priv->fw == NULL) || (cfg->fw))
+                /* use default firmware if none specified */
+                priv->fw = (cfg->fw) ? cfg->fw : XC5000_DEFAULT_FIRMWARE;
+
         /* Check if firmware has been loaded. It is possible that another
            instance of the driver has loaded the firmware.
          */