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staging: olpc_dcon: drop support for DCON v1
The v1 DCONs only existed for XO-1 prototypes (and even then, very very early prototypes). Drop support for v1 DCON. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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24e2617050
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1 changed files with 10 additions and 21 deletions
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@ -88,29 +88,18 @@ static int dcon_hw_init(struct dcon_priv *dcon, int is_init)
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}
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if (ver < 0xdc02) {
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/* Initialize the DCON registers */
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/* Start with work-arounds for DCON ASIC */
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i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
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i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
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i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
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i2c_smbus_write_word_data(client, 0x0b, 0x007a);
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i2c_smbus_write_word_data(client, 0x36, 0x025c);
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i2c_smbus_write_word_data(client, 0x37, 0x025e);
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/* Initialise SDRAM */
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i2c_smbus_write_word_data(client, 0x3b, 0x002b);
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i2c_smbus_write_word_data(client, 0x41, 0x0101);
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i2c_smbus_write_word_data(client, 0x42, 0x0101);
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} else {
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/* SDRAM setup/hold time */
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i2c_smbus_write_word_data(client, 0x3a, 0xc040);
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i2c_smbus_write_word_data(client, 0x41, 0x0000);
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i2c_smbus_write_word_data(client, 0x41, 0x0101);
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i2c_smbus_write_word_data(client, 0x42, 0x0101);
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dev_err(&dcon->client->dev,
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"DCON v1 is unsupported, giving up..\n");
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rc = -ENODEV;
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goto err;
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}
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/* SDRAM setup/hold time */
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i2c_smbus_write_word_data(client, 0x3a, 0xc040);
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i2c_smbus_write_word_data(client, 0x41, 0x0000);
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i2c_smbus_write_word_data(client, 0x41, 0x0101);
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i2c_smbus_write_word_data(client, 0x42, 0x0101);
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/* Colour swizzle, AA, no passthrough, backlight */
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if (is_init) {
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dcon->disp_mode = MODE_PASSTHRU | MODE_BL_ENABLE |
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