diff options
Diffstat (limited to 'drivers/media/cec/usb/pulse8/pulse8-cec.c')
| -rw-r--r-- | drivers/media/cec/usb/pulse8/pulse8-cec.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/drivers/media/cec/usb/pulse8/pulse8-cec.c b/drivers/media/cec/usb/pulse8/pulse8-cec.c index beae6aa12638..60569f1670fe 100644 --- a/drivers/media/cec/usb/pulse8/pulse8-cec.c +++ b/drivers/media/cec/usb/pulse8/pulse8-cec.c @@ -2,7 +2,7 @@ /* * Pulse Eight HDMI CEC driver * - * Copyright 2016 Hans Verkuil <hverkuil@xs4all.nl + * Copyright 2016 Hans Verkuil <hverkuil@kernel.org> */ /* @@ -41,7 +41,7 @@ #include <media/cec.h> -MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>"); +MODULE_AUTHOR("Hans Verkuil <hverkuil@kernel.org>"); MODULE_DESCRIPTION("Pulse Eight HDMI CEC driver"); MODULE_LICENSE("GPL"); @@ -88,13 +88,15 @@ enum pulse8_msgcodes { MSGCODE_SET_PHYSICAL_ADDRESS, /* 0x20 */ MSGCODE_GET_DEVICE_TYPE, MSGCODE_SET_DEVICE_TYPE, - MSGCODE_GET_HDMI_VERSION, + MSGCODE_GET_HDMI_VERSION, /* Removed in FW >= 10 */ MSGCODE_SET_HDMI_VERSION, MSGCODE_GET_OSD_NAME, MSGCODE_SET_OSD_NAME, MSGCODE_WRITE_EEPROM, MSGCODE_GET_ADAPTER_TYPE, /* 0x28 */ MSGCODE_SET_ACTIVE_SOURCE, + MSGCODE_GET_AUTO_POWER_ON, /* New for FW >= 10 */ + MSGCODE_SET_AUTO_POWER_ON, MSGCODE_FRAME_EOM = 0x80, MSGCODE_FRAME_ACK = 0x40, @@ -143,6 +145,8 @@ static const char * const pulse8_msgnames[] = { "WRITE_EEPROM", "GET_ADAPTER_TYPE", "SET_ACTIVE_SOURCE", + "GET_AUTO_POWER_ON", + "SET_AUTO_POWER_ON", }; static const char *pulse8_msgname(u8 cmd) @@ -389,7 +393,7 @@ static irqreturn_t pulse8_interrupt(struct serio *serio, unsigned char data, pulse8->new_rx_msg[0] = pulse8->buf[1]; break; } - /* fall through */ + fallthrough; case MSGCODE_FRAME_DATA: if (pulse8->new_rx_msg_len < CEC_MAX_MSG_SIZE) pulse8->new_rx_msg[pulse8->new_rx_msg_len++] = @@ -579,12 +583,14 @@ static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr) if (err) goto unlock; - cmd[0] = MSGCODE_SET_HDMI_VERSION; - cmd[1] = adap->log_addrs.cec_version; - err = pulse8_send_and_wait(pulse8, cmd, 2, - MSGCODE_COMMAND_ACCEPTED, 0); - if (err) - goto unlock; + if (pulse8->vers < 10) { + cmd[0] = MSGCODE_SET_HDMI_VERSION; + cmd[1] = adap->log_addrs.cec_version; + err = pulse8_send_and_wait(pulse8, cmd, 2, + MSGCODE_COMMAND_ACCEPTED, 0); + if (err) + goto unlock; + } if (adap->log_addrs.osd_name[0]) { size_t osd_len = strlen(adap->log_addrs.osd_name); @@ -650,7 +656,6 @@ static void pulse8_disconnect(struct serio *serio) struct pulse8 *pulse8 = serio_get_drvdata(serio); cec_unregister_adapter(pulse8->adap); - pulse8->serio = NULL; serio_set_drvdata(serio, NULL); serio_close(serio); } @@ -680,7 +685,7 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio, err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 4); if (err) return err; - date = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; + date = ((unsigned)data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; dev_info(pulse8->dev, "Firmware build date %ptT\n", &date); dev_dbg(pulse8->dev, "Persistent config:\n"); @@ -692,6 +697,14 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio, dev_dbg(pulse8->dev, "Autonomous mode: %s", data[0] ? "on" : "off"); + if (pulse8->vers >= 10) { + cmd[0] = MSGCODE_GET_AUTO_POWER_ON; + err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1); + if (!err) + dev_dbg(pulse8->dev, "Auto Power On: %s", + data[0] ? "on" : "off"); + } + cmd[0] = MSGCODE_GET_DEVICE_TYPE; err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1); if (err) @@ -753,12 +766,15 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio, dev_dbg(pulse8->dev, "Physical address: %x.%x.%x.%x\n", cec_phys_addr_exp(*pa)); - cmd[0] = MSGCODE_GET_HDMI_VERSION; - err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1); - if (err) - return err; - log_addrs->cec_version = data[0]; - dev_dbg(pulse8->dev, "CEC version: %d\n", log_addrs->cec_version); + log_addrs->cec_version = CEC_OP_CEC_VERSION_1_4; + if (pulse8->vers < 10) { + cmd[0] = MSGCODE_GET_HDMI_VERSION; + err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 1); + if (err) + return err; + log_addrs->cec_version = data[0]; + dev_dbg(pulse8->dev, "CEC version: %d\n", log_addrs->cec_version); + } cmd[0] = MSGCODE_GET_OSD_NAME; err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 0); @@ -793,8 +809,11 @@ static void pulse8_ping_eeprom_work_handler(struct work_struct *work) mutex_lock(&pulse8->lock); cmd = MSGCODE_PING; - pulse8_send_and_wait(pulse8, &cmd, 1, - MSGCODE_COMMAND_ACCEPTED, 0); + if (pulse8_send_and_wait(pulse8, &cmd, 1, + MSGCODE_COMMAND_ACCEPTED, 0)) { + dev_warn(pulse8->dev, "failed to ping EEPROM\n"); + goto unlock; + } if (pulse8->vers < 2) goto unlock; @@ -830,8 +849,10 @@ static int pulse8_connect(struct serio *serio, struct serio_driver *drv) pulse8->adap = cec_allocate_adapter(&pulse8_cec_adap_ops, pulse8, dev_name(&serio->dev), caps, 1); err = PTR_ERR_OR_ZERO(pulse8->adap); - if (err < 0) - goto free_device; + if (err < 0) { + kfree(pulse8); + return err; + } pulse8->dev = &serio->dev; serio_set_drvdata(serio, pulse8); @@ -874,8 +895,6 @@ close_serio: serio_close(serio); delete_adap: cec_delete_adapter(pulse8->adap); -free_device: - kfree(pulse8); return err; } |