Commit 1b995ac2 authored by Andres Salomon's avatar Andres Salomon Committed by Greg Kroah-Hartman
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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: default avatarAndres Salomon <dilinger@queued.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 24e26170

drivers/staging/olpc_dcon/olpc_dcon.c

+10 −21
Original line number Diff line number Diff line
@@ -88,28 +88,17 @@ static int dcon_hw_init(struct dcon_priv *dcon, int is_init) 
	}



	if (ver < 0xdc02) {

		/* Initialize the DCON registers */



		/* Start with work-arounds for DCON ASIC */

		i2c_smbus_write_word_data(client, 0x4b, 0x00cc);

		i2c_smbus_write_word_data(client, 0x4b, 0x00cc);

		i2c_smbus_write_word_data(client, 0x4b, 0x00cc);

		i2c_smbus_write_word_data(client, 0x0b, 0x007a);

		i2c_smbus_write_word_data(client, 0x36, 0x025c);

		i2c_smbus_write_word_data(client, 0x37, 0x025e);



		/* Initialise SDRAM */

		dev_err(&dcon->client->dev,

				"DCON v1 is unsupported, giving up..\n");

		rc = -ENODEV;

		goto err;

	}



		i2c_smbus_write_word_data(client, 0x3b, 0x002b);

		i2c_smbus_write_word_data(client, 0x41, 0x0101);

		i2c_smbus_write_word_data(client, 0x42, 0x0101);

	} else {

	/* SDRAM setup/hold time */

	i2c_smbus_write_word_data(client, 0x3a, 0xc040);

	i2c_smbus_write_word_data(client, 0x41, 0x0000);

	i2c_smbus_write_word_data(client, 0x41, 0x0101);

	i2c_smbus_write_word_data(client, 0x42, 0x0101);

	}



	/* Colour swizzle, AA, no passthrough, backlight */

	if (is_init) {