V4L/DVB (9620): tvaudio: use a direct reference for chip description

[linux-2.6-omap-h63xx.git] / drivers / media / video / tvaudio.c

diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index ee6aca4ccd9f51d2a0326015c5bd7faf2fce1cc8..5ec369d54e6e068ef7b6076c23793be90a5fb019 100644 (file)
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -112,8 +112,9 @@ static struct CHIPDESC chiplist[];
 struct CHIPSTATE {
        struct i2c_client *c;
 
-       /* index into CHIPDESC array */
-       int type;
+       /* chip-specific description - should point to
+          an entry at CHIPDESC table */
+       struct CHIPDESC *desc;
 
        /* shadow register set */
        audiocmd   shadow;
@@ -264,7 +265,7 @@ static void chip_thread_wake(unsigned long data)
 static int chip_thread(void *data)
 {
        struct CHIPSTATE *chip = data;
-       struct CHIPDESC  *desc = chiplist + chip->type;
+       struct CHIPDESC  *desc = chip->desc;
        int mode;
 
        v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
@@ -1087,7 +1088,7 @@ static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
 
 static int tda8425_initialize(struct CHIPSTATE *chip)
 {
-       struct CHIPDESC *desc = chiplist + chip->type;
+       struct CHIPDESC *desc = chip->desc;
        int inputmap[4] = { /* tuner    */ TDA8425_S1_CH2, /* radio  */ TDA8425_S1_CH1,
                            /* extern   */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
 
@@ -1503,7 +1504,7 @@ static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
        /* fill required data structures */
        if (!id)
                strlcpy(client->name, desc->name, I2C_NAME_SIZE);
-       chip->type = desc-chiplist;
+       chip->desc = desc;
        chip->shadow.count = desc->registers+1;
        chip->prevmode = -1;
        chip->audmode = V4L2_TUNER_MODE_LANG1;
@@ -1590,7 +1591,7 @@ static int chip_remove(struct i2c_client *client)
 static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
                            struct v4l2_control *ctrl)
 {
-       struct CHIPDESC *desc = chiplist + chip->type;
+       struct CHIPDESC *desc = chip->desc;
 
        switch (ctrl->id) {
        case V4L2_CID_AUDIO_MUTE:
@@ -1630,7 +1631,7 @@ static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
 static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
                            struct v4l2_control *ctrl)
 {
-       struct CHIPDESC *desc = chiplist + chip->type;
+       struct CHIPDESC *desc = chip->desc;
 
        switch (ctrl->id) {
        case V4L2_CID_AUDIO_MUTE:
@@ -1706,7 +1707,7 @@ static int chip_command(struct i2c_client *client,
                        unsigned int cmd, void *arg)
 {
        struct CHIPSTATE *chip = i2c_get_clientdata(client);
-       struct CHIPDESC  *desc = chiplist + chip->type;
+       struct CHIPDESC  *desc = chip->desc;
 
        v4l_dbg(1, debug, chip->c, "%s: chip_command 0x%x\n", chip->c->name, cmd);