[PATCHv2 2/2] HSI: nokia-modem: Add cmt-speech support

From: Sebastian Reichel
Date: Mon Mar 02 2015 - 19:44:55 EST


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

Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
drivers/hsi/clients/Kconfig | 2 +-
drivers/hsi/clients/nokia-modem.c | 31 ++++++++++++++++++++++++++++++-
2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/drivers/hsi/clients/Kconfig b/drivers/hsi/clients/Kconfig
index 26f62f8..77ee7bc 100644
--- a/drivers/hsi/clients/Kconfig
+++ b/drivers/hsi/clients/Kconfig
@@ -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.
diff --git a/drivers/hsi/clients/nokia-modem.c b/drivers/hsi/clients/nokia-modem.c
index 9be4867..ef6ebda 100644
--- a/drivers/hsi/clients/nokia-modem.c
+++ b/drivers/hsi/clients/nokia-modem.c
@@ -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 +216,34 @@ 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");
+ 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 +262,11 @@ 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;
--
2.1.4

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