V4L/DVB (3405): Fixes tvp5150a/am1 detection.
- Tvp5150 type were determined by a secondary register instead of using ROM code. - tvp5150am1 have ROM=4.0, while tvp5150a have ROM=3.33 (decimal). All other ROM versions are reported as unknown tvp5150. - Except for reporting, current code doesn't enable any special feature for tvp5150am1 or tvp5150a. Code should work for both models (but were tested only for tvp5150am1). Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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1 changed files with 12 additions and 9 deletions
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@ -746,24 +746,27 @@ static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
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static inline void tvp5150_reset(struct i2c_client *c)
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{
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u8 type, ver_656, msb_id, lsb_id, msb_rom, lsb_rom;
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u8 msb_id, lsb_id, msb_rom, lsb_rom;
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struct tvp5150 *decoder = i2c_get_clientdata(c);
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type=tvp5150_read(c,TVP5150_AUTOSW_MSK);
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msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
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lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
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msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
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lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
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if (type==0xdc) {
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ver_656=tvp5150_read(c,TVP5150_REV_SELECT);
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tvp5150_info("tvp%02x%02xam1 detected 656 version is %d.\n",msb_id, lsb_id,ver_656);
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} else if (type==0xfc) {
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tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
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if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
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tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
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/* ITU-T BT.656.4 timing */
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tvp5150_write(c,TVP5150_REV_SELECT,0);
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} else {
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tvp5150_info("unknown tvp%02x%02x chip detected(%d).\n",msb_id,lsb_id,type);
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if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
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tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
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} else {
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tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
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tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
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}
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}
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tvp5150_info("Rom ver is %d.%d\n",msb_rom,lsb_rom);
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/* Initializes TVP5150 to its default values */
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tvp5150_write_inittab(c, tvp5150_init_default);
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