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HSI: nokia-modem: Add cmt-speech support

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Register cmt-speech driver in nokia-modem driver and forward
hsi channel information.

Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Sebastian Reichel 2015-03-03 01:14:41 +01:00
parent 7f62fe8a58
commit f9c0d76eb4
2 changed files with 32 additions and 2 deletions
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2
drivers/hsi/clients/Kconfig
View File

@ -6,7 +6,7 @@ comment "HSI clients"
config NOKIA_MODEM
tristate "Nokia Modem"
depends on HSI && SSI_PROTOCOL
depends on HSI && SSI_PROTOCOL && CMT_SPEECH
help
Say Y here if you want to add support for the modem on Nokia
N900 (Nokia RX-51) hardware.

32
drivers/hsi/clients/nokia-modem.c
View File

@ -46,6 +46,7 @@ struct nokia_modem_device {
struct nokia_modem_gpio *gpios;
int gpio_amount;
struct hsi_client *ssi_protocol;
struct hsi_client *cmt_speech;
};
static void do_nokia_modem_rst_ind_tasklet(unsigned long data)
@ -149,6 +150,7 @@ static int nokia_modem_probe(struct device *dev)
struct hsi_port *port = hsi_get_port(cl);
int irq, pflags, err;
struct hsi_board_info ssip;
struct hsi_board_info cmtspeech;
np = dev->of_node;
if (!np) {
@ -214,12 +216,35 @@ static int nokia_modem_probe(struct device *dev)
goto error3;
}
/* TODO: register cmt-speech hsi client */
cmtspeech.name = "cmt-speech";
cmtspeech.tx_cfg = cl->tx_cfg;
cmtspeech.rx_cfg = cl->rx_cfg;
cmtspeech.platform_data = NULL;
cmtspeech.archdata = NULL;
modem->cmt_speech = hsi_new_client(port, &cmtspeech);
if (!modem->cmt_speech) {
dev_err(dev, "Could not register cmt-speech device\n");
err = -ENOMEM;
goto error3;
}
err = device_attach(&modem->cmt_speech->device);
if (err == 0) {
dev_err(dev, "Missing cmt-speech driver\n");
err = -EPROBE_DEFER;
goto error4;
} else if (err < 0) {
dev_err(dev, "Could not load cmt-speech driver (%d)\n", err);
goto error4;
}
dev_info(dev, "Registered Nokia HSI modem\n");
return 0;
error4:
hsi_remove_client(&modem->cmt_speech->device, NULL);
error3:
hsi_remove_client(&modem->ssi_protocol->device, NULL);
error2:
@ -238,6 +263,11 @@ static int nokia_modem_remove(struct device *dev)
if (!modem)
return 0;
if (modem->cmt_speech) {
hsi_remove_client(&modem->cmt_speech->device, NULL);
modem->cmt_speech = NULL;
}
if (modem->ssi_protocol) {
hsi_remove_client(&modem->ssi_protocol->device, NULL);
modem->ssi_protocol = NULL;