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@@ -2,7 +2,6 @@
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* For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
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* I2C address is allways 0xC0.
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*
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- * $Id: tea5767.c,v 1.27 2005/07/31 12:10:56 mchehab Exp $
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*
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* Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
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* This code is placed under the terms of the GNU General Public License
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@@ -205,11 +204,6 @@ static void set_radio_freq(struct i2c_client *c, unsigned int frq)
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TEA5767_ST_NOISE_CTL | TEA5767_JAPAN_BAND;
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buffer[4] = 0;
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- if (t->mode == T_STANDBY) {
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- tuner_dbg("TEA5767 set to standby mode\n");
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- buffer[3] |= TEA5767_STDBY;
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- }
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-
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if (t->audmode == V4L2_TUNER_MODE_MONO) {
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tuner_dbg("TEA5767 set to mono\n");
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buffer[2] |= TEA5767_MONO;
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@@ -290,13 +284,31 @@ static int tea5767_stereo(struct i2c_client *c)
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return ((buffer[2] & TEA5767_STEREO_MASK) ? V4L2_TUNER_SUB_STEREO : 0);
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}
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+static void tea5767_standby(struct i2c_client *c)
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+{
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+ unsigned char buffer[5];
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+ struct tuner *t = i2c_get_clientdata(c);
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+ unsigned div, rc;
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+
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+ div = (87500 * 4 + 700 + 225 + 25) / 50; /* Set frequency to 87.5 MHz */
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+ buffer[0] = (div >> 8) & 0x3f;
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+ buffer[1] = div & 0xff;
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+ buffer[2] = TEA5767_PORT1_HIGH;
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+ buffer[3] = TEA5767_PORT2_HIGH | TEA5767_HIGH_CUT_CTRL |
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+ TEA5767_ST_NOISE_CTL | TEA5767_JAPAN_BAND | TEA5767_STDBY;
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+ buffer[4] = 0;
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+
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+ if (5 != (rc = i2c_master_send(c, buffer, 5)))
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+ tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
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+}
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+
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int tea5767_autodetection(struct i2c_client *c)
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{
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unsigned char buffer[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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int rc;
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struct tuner *t = i2c_get_clientdata(c);
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- if (7 != (rc = i2c_master_recv(c, buffer, 7))) {
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+ if ((rc = i2c_master_recv(c, buffer, 7))< 5) {
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tuner_warn("It is not a TEA5767. Received %i bytes.\n", rc);
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return EINVAL;
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}
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@@ -313,15 +325,10 @@ int tea5767_autodetection(struct i2c_client *c)
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* bit 0 : internally set to 0
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* Byte 5: bit 7:0 : == 0
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*/
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- if (!((buffer[3] & 0x0f) == 0x00) && (buffer[4] == 0x00)) {
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+ if (((buffer[3] & 0x0f) != 0x00) || (buffer[4] != 0x00)) {
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tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
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return EINVAL;
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}
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- /* It seems that tea5767 returns 0xff after the 5th byte */
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- if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
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- tuner_warn("Returned more than 5 bytes. It is not a TEA5767\n");
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- return EINVAL;
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- }
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/* It seems that tea5767 returns 0xff after the 5th byte */
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if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
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@@ -337,14 +344,14 @@ int tea5767_tuner_init(struct i2c_client *c)
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{
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struct tuner *t = i2c_get_clientdata(c);
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- tuner_info("type set to %d (%s)\n", t->type,
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- "Philips TEA5767HN FM Radio");
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+ tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
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strlcpy(c->name, "tea5767", sizeof(c->name));
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t->tv_freq = set_tv_freq;
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t->radio_freq = set_radio_freq;
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t->has_signal = tea5767_signal;
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t->is_stereo = tea5767_stereo;
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+ t->standby = tea5767_standby;
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return (0);
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}
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